31452043452 has 48 divisors (see below), whose sum is σ = 77364120960. Its totient is φ = 9917633088.

The previous prime is 31452043439. The next prime is 31452043537. The reversal of 31452043452 is 25434025413.

It is a congruent number.

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, 54738 + ... + 256710.

It is an arithmetic number, because the mean of its divisors is an integer number (1611752520).

Almost surely, 2^31452043452 is an apocalyptic number.

It is an amenable number.

31452043452 is an abundant number, since it is smaller than the sum of its proper divisors (45912077508).

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

31452043452 is a wasteful number, since it uses less digits than its factorization.

31452043452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202682 (or 202680 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 31452043452 its reverse (25434025413), we get a palindrome (56886068865).

The spelling of 31452043452 in words is "thirty-one billion, four hundred fifty-two million, forty-three thousand, four hundred fifty-two".