31112323022 has 16 divisors (see below), whose sum is σ = 50925635712. Its totient is φ = 14137920120.

The previous prime is 31112323001. The next prime is 31112323093. The reversal of 31112323022 is 22032321113.

It is a junction number, because it is equal to n+sod(n) for n = 31112322985 and 31112323003.

It is a congruent number.

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, 122888 + ... + 278075.

It is an arithmetic number, because the mean of its divisors is an integer number (3182852232).

Almost surely, 2^31112323022 is an apocalyptic number.

31112323022 is a deficient number, since it is larger than the sum of its proper divisors (19813312690).

31112323022 is a wasteful number, since it uses less digits than its factorization.

31112323022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404503.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31112323022 its reverse (22032321113), we get a palindrome (53144644135).

The spelling of 31112323022 in words is "thirty-one billion, one hundred twelve million, three hundred twenty-three thousand, twenty-two".