31022142104 has 16 divisors (see below), whose sum is σ = 58556898000. Its totient is φ = 15406969312.

The previous prime is 31022142071. The next prime is 31022142143. The reversal of 31022142104 is 40124122013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13011452 + ... + 13013835.

It is an arithmetic number, because the mean of its divisors is an integer number (3659806125).

Almost surely, 2^31022142104 is an apocalyptic number.

It is an amenable number.

31022142104 is a deficient number, since it is larger than the sum of its proper divisors (27534755896).

31022142104 is a wasteful number, since it uses less digits than its factorization.

31022142104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26025442 (or 26025438 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31022142104 its reverse (40124122013), we get a palindrome (71146264117).

The spelling of 31022142104 in words is "thirty-one billion, twenty-two million, one hundred forty-two thousand, one hundred four".