31020011220112 has 40 divisors (see below), whose sum is σ = 60131316885120. Its totient is φ = 15502253020800.

The previous prime is 31020011220053. The next prime is 31020011220127. The reversal of 31020011220112 is 21102211002013.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 808825737 + ... + 808864087.

It is an arithmetic number, because the mean of its divisors is an integer number (1503282922128).

Almost surely, 2^{31020011220112} is an apocalyptic number.

It is an amenable number.

31020011220112 is a deficient number, since it is larger than the sum of its proper divisors (29111305665008).

31020011220112 is a wasteful number, since it uses less digits than its factorization.

31020011220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62311 (or 62305 counting only the distinct ones).

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

Adding to 31020011220112 its reverse (21102211002013), we get a palindrome (52122222222125).

The spelling of 31020011220112 in words is "thirty-one trillion, twenty billion, eleven million, two hundred twenty thousand, one hundred twelve".