31100023000122 has 16 divisors (see below), whose sum is σ = 62617495975200. Its totient is φ = 10297099337552.

The previous prime is 31100023000097. The next prime is 31100023000147. The reversal of 31100023000122 is 22100032000113.

It is an interprime number because it is at equal distance from previous prime (31100023000097) and next prime (31100023000147).

It is a super-2 number, since 2×31100023000122² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17393747988 + ... + 17393749775.

It is an arithmetic number, because the mean of its divisors is an integer number (3913593498450).

Almost surely, 2^{31100023000122} is an apocalyptic number.

31100023000122 is an abundant number, since it is smaller than the sum of its proper divisors (31517472975078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31100023000122 is a wasteful number, since it uses less digits than its factorization.

31100023000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34787497917.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31100023000122 its reverse (22100032000113), we get a palindrome (53200055000235).

The spelling of 31100023000122 in words is "thirty-one trillion, one hundred billion, twenty-three million, one hundred twenty-two", and thus it is an aban number.