31670951013025 has 9 divisors (see below), whose sum is σ = 39272014147891. Its totient is φ = 25336738299640.

The previous prime is 31670951013007. The next prime is 31670951013103. The reversal of 31670951013025 is 52031015907613.

The square root of 31670951013025 is 5627695.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11401542364689 + 20269408648336 = 3376617^2 + 4502156^2 .

It is not a de Polignac number, because 31670951013025 - 2⁹ = 31670951012513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27575706 + ... + 28701244.

Almost surely, 2^{31670951013025} is an apocalyptic number.

31670951013025 is the 5627695-th square number.

31670951013025 is the 2813848-th centered octagonal number.

It is an amenable number.

31670951013025 is a deficient number, since it is larger than the sum of its proper divisors (7601063134866).

31670951013025 is an frugal number, since it uses more digits than its factorization.

31670951013025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251088 (or 1125544 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The spelling of 31670951013025 in words is "thirty-one trillion, six hundred seventy billion, nine hundred fifty-one million, thirteen thousand, twenty-five".