31045646125 has 32 divisors (see below), whose sum is σ = 43921463040. Its totient is φ = 21719361600.

The previous prime is 31045646113. The next prime is 31045646131. The reversal of 31045646125 is 52164654013.

It is not a de Polignac number, because 31045646125 - 2¹³ = 31045637933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471889 + ... + 533638.

It is an arithmetic number, because the mean of its divisors is an integer number (1372545720).

Almost surely, 2^31045646125 is an apocalyptic number.

It is an amenable number.

31045646125 is a deficient number, since it is larger than the sum of its proper divisors (12875816915).

31045646125 is a wasteful number, since it uses less digits than its factorization.

31045646125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005574 (or 1005564 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 31045646125 in words is "thirty-one billion, forty-five million, six hundred forty-six thousand, one hundred twenty-five".