31431313401404 has 12 divisors (see below), whose sum is σ = 62862626802864. Its totient is φ = 13470562886304.

The previous prime is 31431313401377. The next prime is 31431313401413. The reversal of 31431313401404 is 40410431313413.

31431313401404 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561273453569 + ... + 561273453624.

It is an arithmetic number, because the mean of its divisors is an integer number (5238552233572).

Almost surely, 2^{31431313401404} is an apocalyptic number.

It is an amenable number.

31431313401404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31431313401404 is a wasteful number, since it uses less digits than its factorization.

31431313401404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122546907204 (or 1122546907202 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 31431313401404 its reverse (40410431313413), we get a palindrome (71841744714817).

The spelling of 31431313401404 in words is "thirty-one trillion, four hundred thirty-one billion, three hundred thirteen million, four hundred one thousand, four hundred four".