31704052556 has 54 divisors (see below), whose sum is σ = 64336443948. Its totient is φ = 13554641280.

The previous prime is 31704052537. The next prime is 31704052577. The reversal of 31704052556 is 65525040713.

It is a happy number.

It is a super-2 number, since 2×31704052556² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20077775 + ... + 20079353.

Almost surely, 2^31704052556 is an apocalyptic number.

It is an amenable number.

31704052556 is an abundant number, since it is smaller than the sum of its proper divisors (32632391392).

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

31704052556 is a wasteful number, since it uses less digits than its factorization.

31704052556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 31704052556 in words is "thirty-one billion, seven hundred four million, fifty-two thousand, five hundred fifty-six".