31405013314000 has 80 divisors (see below), whose sum is σ = 77070715390656. Its totient is φ = 12374512656000.

The previous prime is 31405013313983. The next prime is 31405013314019. The reversal of 31405013314000 is 41331050413.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×31405013314000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 117048886 + ... + 117316885.

Almost surely, 2^{31405013314000} is an apocalyptic number.

It is an amenable number.

31405013314000 is an abundant number, since it is smaller than the sum of its proper divisors (45665702076656).

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

31405013314000 is a wasteful number, since it uses less digits than its factorization.

31405013314000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234365861 (or 234365845 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 31405013314000 its reverse (41331050413), we get a palindrome (31446344364413).

The spelling of 31405013314000 in words is "thirty-one trillion, four hundred five billion, thirteen million, three hundred fourteen thousand".