31102232211123 has 16 divisors (see below), whose sum is σ = 43274224961280. Its totient is φ = 19832595220064.

The previous prime is 31102232211103. The next prime is 31102232211133. The reversal of 31102232211123 is 32111223220113.

It is a cyclic number.

It is not a de Polignac number, because 31102232211123 - 2²² = 31102228016819 is a prime.

It is a super-2 number, since 2×31102232211123² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31102232211093 and 31102232211102.

It is not an unprimeable number, because it can be changed into a prime (31102232211103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6155493 + ... + 10004726.

It is an arithmetic number, because the mean of its divisors is an integer number (2704639060080).

Almost surely, 2^{31102232211123} is an apocalyptic number.

31102232211123 is a deficient number, since it is larger than the sum of its proper divisors (12171992750157).

31102232211123 is a wasteful number, since it uses less digits than its factorization.

31102232211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16188138.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31102232211123 its reverse (32111223220113), we get a palindrome (63213455431236).

The spelling of 31102232211123 in words is "thirty-one trillion, one hundred two billion, two hundred thirty-two million, two hundred eleven thousand, one hundred twenty-three".