31347386325 has 36 divisors (see below), whose sum is σ = 56203708288. Its totient is φ = 16701616800.

The previous prime is 31347386311. The next prime is 31347386327. The reversal of 31347386325 is 52368374313.

31347386325 is a `hidden beast` number, since 3 + 1 + 3 + 4 + 7 + 3 + 8 + 632 + 5 = 666.

It is not a de Polignac number, because 31347386325 - 2¹⁴ = 31347369941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31347386327) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 152682 + ... + 293268.

Almost surely, 2^31347386325 is an apocalyptic number.

It is an amenable number.

31347386325 is a deficient number, since it is larger than the sum of its proper divisors (24856321963).

31347386325 is a wasteful number, since it uses less digits than its factorization.

31347386325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141594 (or 141586 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The spelling of 31347386325 in words is "thirty-one billion, three hundred forty-seven million, three hundred eighty-six thousand, three hundred twenty-five".