31400112112404 has 48 divisors (see below), whose sum is σ = 83734377514368. Its totient is φ = 8971380759168.

The previous prime is 31400112112393. The next prime is 31400112112427. The reversal of 31400112112404 is 40421121100413.

It is a happy number.

It is a super-2 number, since 2×31400112112404² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8175502 + ... + 11385914.

It is an arithmetic number, because the mean of its divisors is an integer number (1744466198216).

Almost surely, 2^{31400112112404} is an apocalyptic number.

It is an amenable number.

31400112112404 is an abundant number, since it is smaller than the sum of its proper divisors (52334265401964).

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

31400112112404 is a wasteful number, since it uses less digits than its factorization.

31400112112404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326864 (or 3326862 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 31400112112404 its reverse (40421121100413), we get a palindrome (71821233212817).

The spelling of 31400112112404 in words is "thirty-one trillion, four hundred billion, one hundred twelve million, one hundred twelve thousand, four hundred four".