31742246625 has 32 divisors (see below), whose sum is σ = 53607485568. Its totient is φ = 16676510400.

The previous prime is 31742246593. The next prime is 31742246629. The reversal of 31742246625 is 52664224713.

It is not a de Polignac number, because 31742246625 - 2⁵ = 31742246593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31742246629) 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, 606562 + ... + 656811.

It is an arithmetic number, because the mean of its divisors is an integer number (1675233924).

Almost surely, 2^31742246625 is an apocalyptic number.

It is an amenable number.

31742246625 is a deficient number, since it is larger than the sum of its proper divisors (21865238943).

31742246625 is a wasteful number, since it uses less digits than its factorization.

31742246625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263458 (or 1263448 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The spelling of 31742246625 in words is "thirty-one billion, seven hundred forty-two million, two hundred forty-six thousand, six hundred twenty-five".