31112014021 has 16 divisors (see below), whose sum is σ = 34356672000. Its totient is φ = 27938790000.

The previous prime is 31112014019. The next prime is 31112014027. The reversal of 31112014021 is 12041021113.

It is not a de Polignac number, because 31112014021 - 2¹ = 31112014019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31112013986 and 31112014004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112014027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253146 + ... + 355396.

It is an arithmetic number, because the mean of its divisors is an integer number (2147292000).

Almost surely, 2^31112014021 is an apocalyptic number.

It is an amenable number.

31112014021 is a deficient number, since it is larger than the sum of its proper divisors (3244657979).

31112014021 is a wasteful number, since it uses less digits than its factorization.

31112014021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102600.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31112014021 its reverse (12041021113), we get a palindrome (43153035134).

The spelling of 31112014021 in words is "thirty-one billion, one hundred twelve million, fourteen thousand, twenty-one".