31102232012123 has 2 divisors, whose sum is σ = 31102232012124. Its totient is φ = 31102232012122.

The previous prime is 31102232012107. The next prime is 31102232012171. The reversal of 31102232012123 is 32121023220113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31102232012123 - 2⁴ = 31102232012107 is a prime.

It is a super-2 number, since 2×31102232012123² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31102232012183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551116006061 + 15551116006062.

It is an arithmetic number, because the mean of its divisors is an integer number (15551116006062).

Almost surely, 2^{31102232012123} is an apocalyptic number.

31102232012123 is a deficient number, since it is larger than the sum of its proper divisors (1).

31102232012123 is an equidigital number, since it uses as much as digits as its factorization.

31102232012123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31102232012123 its reverse (32121023220113), we get a palindrome (63223255232236).

The spelling of 31102232012123 in words is "thirty-one trillion, one hundred two billion, two hundred thirty-two million, twelve thousand, one hundred twenty-three".