31329393942652 has 48 divisors (see below), whose sum is σ = 61649565026112. Its totient is φ = 13822375311360.

The previous prime is 31329393942647. The next prime is 31329393942659. The reversal of 31329393942652 is 25624939392313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31329393942659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6291349 + ... + 10111372.

It is an arithmetic number, because the mean of its divisors is an integer number (1284365938044).

Almost surely, 2^{31329393942652} is an apocalyptic number.

It is an amenable number.

31329393942652 is a deficient number, since it is larger than the sum of its proper divisors (30320171083460).

31329393942652 is a wasteful number, since it uses less digits than its factorization.

31329393942652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16404358 (or 16404356 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 61.

The spelling of 31329393942652 in words is "thirty-one trillion, three hundred twenty-nine billion, three hundred ninety-three million, nine hundred forty-two thousand, six hundred fifty-two".