31668257540082 has 64 divisors (see below), whose sum is σ = 64521322675200. Its totient is φ = 10359244873920.

The previous prime is 31668257540081. The next prime is 31668257540089. The reversal of 31668257540082 is 28004575286613.

It is not an unprimeable number, because it can be changed into a prime (31668257540081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 980152144 + ... + 980184452.

It is an arithmetic number, because the mean of its divisors is an integer number (1008145666800).

Almost surely, 2^{31668257540082} is an apocalyptic number.

31668257540082 is an abundant number, since it is smaller than the sum of its proper divisors (32853065135118).

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

31668257540082 is a wasteful number, since it uses less digits than its factorization.

31668257540082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37071.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 31668257540082 in words is "thirty-one trillion, six hundred sixty-eight billion, two hundred fifty-seven million, five hundred forty thousand, eighty-two".