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2131140101213 = 2973487589697
BaseRepresentation
bin11111000000110001110…
…110010100010001011101
321112201211211002020102202
4133000301312110101131
5234404033331214323
64311010544301245
7306653431654454
oct37006166242135
97481754066382
102131140101213
117518a2034922
122a5042611825
13125c726ba4b6
147520d535b9b
153a680e98d28
hex1f031d9445d

2131140101213 has 4 divisors (see below), whose sum is σ = 2204627690940. Its totient is φ = 2057652511488.

The previous prime is 2131140101201. The next prime is 2131140101261. The reversal of 2131140101213 is 3121010411312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 437531977444 + 1693608123769 = 661462^2 + 1301387^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131140101213 - 222 = 2131135906909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131140101113) 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, 36743794820 + ... + 36743794877.

It is an arithmetic number, because the mean of its divisors is an integer number (551156922735).

Almost surely, 22131140101213 is an apocalyptic number.

It is an amenable number.

2131140101213 is a deficient number, since it is larger than the sum of its proper divisors (73487589727).

2131140101213 is an equidigital number, since it uses as much as digits as its factorization.

2131140101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73487589726.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2131140101213 its reverse (3121010411312), we get a palindrome (5252150512525).

The spelling of 2131140101213 in words is "two trillion, one hundred thirty-one billion, one hundred forty million, one hundred one thousand, two hundred thirteen".

Divisors: 1 29 73487589697 2131140101213