31453245625008 has 80 divisors (see below), whose sum is σ = 82004594378976. Its totient is φ = 10387663319040.

The previous prime is 31453245624961. The next prime is 31453245625033. The reversal of 31453245625008 is 80052654235413.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13110066 + ... + 15322542.

Almost surely, 2^{31453245625008} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31453245625008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41002297189488).

31453245625008 is an abundant number, since it is smaller than the sum of its proper divisors (50551348753968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31453245625008 is a wasteful number, since it uses less digits than its factorization.

31453245625008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215222 (or 2215216 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 31453245625008 in words is "thirty-one trillion, four hundred fifty-three billion, two hundred forty-five million, six hundred twenty-five thousand, eight".