31122310103 has 8 divisors (see below), whose sum is σ = 32197730880. Its totient is φ = 30047038560.

The previous prime is 31122310081. The next prime is 31122310133. The reversal of 31122310103 is 30101322113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31122310103 - 2⁶ = 31122310039 is a prime.

It is a super-2 number, since 2×31122310103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122310133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537101 + ... + 592217.

It is an arithmetic number, because the mean of its divisors is an integer number (4024716360).

Almost surely, 2^31122310103 is an apocalyptic number.

31122310103 is a deficient number, since it is larger than the sum of its proper divisors (1075420777).

31122310103 is a wasteful number, since it uses less digits than its factorization.

31122310103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74617.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31122310103 its reverse (30101322113), we get a palindrome (61223632216).

The spelling of 31122310103 in words is "thirty-one billion, one hundred twenty-two million, three hundred ten thousand, one hundred three".