31014313400 has 96 divisors (see below), whose sum is σ = 83639706240. Its totient is φ = 10474738560.

The previous prime is 31014313399. The next prime is 31014313403. The reversal of 31014313400 is 431341013.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31014313403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71522 + ... + 259121.

It is an arithmetic number, because the mean of its divisors is an integer number (871246940).

Almost surely, 2^31014313400 is an apocalyptic number.

It is an amenable number.

31014313400 is an abundant number, since it is smaller than the sum of its proper divisors (52625392840).

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

31014313400 is a wasteful number, since it uses less digits than its factorization.

31014313400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330733 (or 330724 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31014313400 its reverse (431341013), we get a palindrome (31445654413).

The spelling of 31014313400 in words is "thirty-one billion, fourteen million, three hundred thirteen thousand, four hundred".