31011122996 has 48 divisors (see below), whose sum is σ = 62466598656. Its totient is φ = 13195547904.

The previous prime is 31011122993. The next prime is 31011122999. The reversal of 31011122996 is 69922111013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31011122993) and next prime (31011122999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31011122993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2768960 + ... + 2780136.

It is an arithmetic number, because the mean of its divisors is an integer number (1301387472).

Almost surely, 2^31011122996 is an apocalyptic number.

It is an amenable number.

31011122996 is an abundant number, since it is smaller than the sum of its proper divisors (31455475660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31011122996 is a wasteful number, since it uses less digits than its factorization.

31011122996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888 (or 11886 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 31011122996 in words is "thirty-one billion, eleven million, one hundred twenty-two thousand, nine hundred ninety-six".