31112211322023 has 32 divisors (see below), whose sum is σ = 44918188019712. Its totient is φ = 19041431875200.

The previous prime is 31112211321973. The next prime is 31112211322063. The reversal of 31112211322023 is 32022311221113.

It is not a de Polignac number, because 31112211322023 - 2⁹ = 31112211321511 is a prime.

It is a super-2 number, since 2×31112211322023² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31112211321984 and 31112211322002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112211322063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9995386 + ... + 12733112.

It is an arithmetic number, because the mean of its divisors is an integer number (1403693375616).

Almost surely, 2^{31112211322023} is an apocalyptic number.

31112211322023 is a deficient number, since it is larger than the sum of its proper divisors (13805976697689).

31112211322023 is a wasteful number, since it uses less digits than its factorization.

31112211322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739335.

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

Adding to 31112211322023 its reverse (32022311221113), we get a palindrome (63134522543136).

The spelling of 31112211322023 in words is "thirty-one trillion, one hundred twelve billion, two hundred eleven million, three hundred twenty-two thousand, twenty-three".