31384043164 has 12 divisors (see below), whose sum is σ = 54940410000. Its totient is φ = 15686783168.

The previous prime is 31384043161. The next prime is 31384043177. The reversal of 31384043164 is 46134048313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31384043161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296109 + ... + 1320100.

It is an arithmetic number, because the mean of its divisors is an integer number (4578367500).

Almost surely, 2^31384043164 is an apocalyptic number.

It is an amenable number.

31384043164 is a deficient number, since it is larger than the sum of its proper divisors (23556366836).

31384043164 is a wasteful number, since it uses less digits than its factorization.

31384043164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619212 (or 2619210 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 31384043164 in words is "thirty-one billion, three hundred eighty-four million, forty-three thousand, one hundred sixty-four".