31542004552 has 8 divisors (see below), whose sum is σ = 59141258550. Its totient is φ = 15771002272.

The previous prime is 31542004547. The next prime is 31542004553. The reversal of 31542004552 is 25540024513.

It can be written as a sum of positive squares in only one way, i.e., 25698013636 + 5843990916 = 160306^2 + 76446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (31542004553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971375277 + ... + 1971375292.

Almost surely, 2^31542004552 is an apocalyptic number.

It is an amenable number.

31542004552 is a deficient number, since it is larger than the sum of its proper divisors (27599253998).

31542004552 is a wasteful number, since it uses less digits than its factorization.

31542004552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942750575 (or 3942750571 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 31542004552 in words is "thirty-one billion, five hundred forty-two million, four thousand, five hundred fifty-two".