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30220313220131 = 107282432833833
BaseRepresentation
bin1101101111100001101110…
…00010001101010000100011
310222000000220120212221110212
412313300313002031100203
512430112200141021011
6144135004212044335
76236226351020306
oct667606702152043
9128000816787425
1030220313220131
1196a13a9a75191
123480a959036ab
1313b29bccb22b8
147669571a8b3d
1537617673a08b
hex1b7c3708d423

30220313220131 has 4 divisors (see below), whose sum is σ = 30502746054072. Its totient is φ = 29937880386192.

The previous prime is 30220313220113. The next prime is 30220313220137. The reversal of 30220313220131 is 13102231302203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30220313220131 - 234 = 30203133350947 is a prime.

It is a super-2 number, since 2×302203132201312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30220313220097 and 30220313220106.

It is not an unprimeable number, because it can be changed into a prime (30220313220137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141216416810 + ... + 141216417023.

It is an arithmetic number, because the mean of its divisors is an integer number (7625686513518).

Almost surely, 230220313220131 is an apocalyptic number.

30220313220131 is a deficient number, since it is larger than the sum of its proper divisors (282432833941).

30220313220131 is a wasteful number, since it uses less digits than its factorization.

30220313220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282432833940.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30220313220131 its reverse (13102231302203), we get a palindrome (43322544522334).

The spelling of 30220313220131 in words is "thirty trillion, two hundred twenty billion, three hundred thirteen million, two hundred twenty thousand, one hundred thirty-one".

Divisors: 1 107 282432833833 30220313220131