31404412012 has 12 divisors (see below), whose sum is σ = 55491291856. Its totient is φ = 15549757200.

The previous prime is 31404411979. The next prime is 31404412027. The reversal of 31404412012 is 21021440413.

It is a happy 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, 38111739 + ... + 38112562.

Almost surely, 2^31404412012 is an apocalyptic number.

It is an amenable number.

31404412012 is a deficient number, since it is larger than the sum of its proper divisors (24086879844).

31404412012 is a wasteful number, since it uses less digits than its factorization.

31404412012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76224408 (or 76224406 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 31404412012 its reverse (21021440413), we get a palindrome (52425852425).

The spelling of 31404412012 in words is "thirty-one billion, four hundred four million, four hundred twelve thousand, twelve".