31404664052 has 24 divisors (see below), whose sum is σ = 55965530880. Its totient is φ = 15416364320.

The previous prime is 31404664051. The next prime is 31404664069. The reversal of 31404664052 is 25046640413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31404664051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163463 + ... + 299214.

It is an arithmetic number, because the mean of its divisors is an integer number (2331897120).

Almost surely, 2^31404664052 is an apocalyptic number.

It is an amenable number.

31404664052 is a deficient number, since it is larger than the sum of its proper divisors (24560866828).

31404664052 is a wasteful number, since it uses less digits than its factorization.

31404664052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462991 (or 462989 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 31404664052 in words is "thirty-one billion, four hundred four million, six hundred sixty-four thousand, fifty-two".