31314010404140 has 24 divisors (see below), whose sum is σ = 65760618722400. Its totient is φ = 12525376185728.

The previous prime is 31314010404113. The next prime is 31314010404143. The reversal of 31314010404140 is 4140401041313.

It is a happy number.

It is a super-2 number, since 2×31314010404140² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31314010404143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13119992 + ... + 15321951.

It is an arithmetic number, because the mean of its divisors is an integer number (2740025780100).

Almost surely, 2^{31314010404140} is an apocalyptic number.

It is an amenable number.

31314010404140 is an abundant number, since it is smaller than the sum of its proper divisors (34446608318260).

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

31314010404140 is a wasteful number, since it uses less digits than its factorization.

31314010404140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28497001 (or 28496999 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 31314010404140 its reverse (4140401041313), we get a palindrome (35454411445453).

The spelling of 31314010404140 in words is "thirty-one trillion, three hundred fourteen billion, ten million, four hundred four thousand, one hundred forty".