31162117404 has 48 divisors (see below), whose sum is σ = 81256444416. Its totient is φ = 9212745600.

The previous prime is 31162117403. The next prime is 31162117411. The reversal of 31162117404 is 40471126113.

It is a super-2 number, since 2×31162117404² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31162117403) 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, 2873572 + ... + 2884395.

It is an arithmetic number, because the mean of its divisors is an integer number (1692842592).

Almost surely, 2^31162117404 is an apocalyptic number.

It is an amenable number.

31162117404 is an abundant number, since it is smaller than the sum of its proper divisors (50094327012).

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

31162117404 is a wasteful number, since it uses less digits than its factorization.

31162117404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758026 (or 5758024 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 31162117404 in words is "thirty-one billion, one hundred sixty-two million, one hundred seventeen thousand, four hundred four".