31022110042 has 16 divisors (see below), whose sum is σ = 58015374912. Its totient is φ = 12086536320.

The previous prime is 31022110019. The next prime is 31022110087. The reversal of 31022110042 is 24001122013.

It is a super-2 number, since 2×31022110042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31022109998 and 31022110025.

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, 100720983 + ... + 100721290.

It is an arithmetic number, because the mean of its divisors is an integer number (3625960932).

Almost surely, 2^31022110042 is an apocalyptic number.

31022110042 is a deficient number, since it is larger than the sum of its proper divisors (26993264870).

31022110042 is a wasteful number, since it uses less digits than its factorization.

31022110042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201442293.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31022110042 its reverse (24001122013), we get a palindrome (55023232055).

The spelling of 31022110042 in words is "thirty-one billion, twenty-two million, one hundred ten thousand, forty-two".