31323372452 has 12 divisors (see below), whose sum is σ = 54832186416. Its totient is φ = 15657033480.

The previous prime is 31323372433. The next prime is 31323372461. The reversal of 31323372452 is 25427332313.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148018 + ... + 1174985.

It is an arithmetic number, because the mean of its divisors is an integer number (4569348868).

Almost surely, 2^31323372452 is an apocalyptic number.

It is an amenable number.

31323372452 is a deficient number, since it is larger than the sum of its proper divisors (23508813964).

31323372452 is a wasteful number, since it uses less digits than its factorization.

31323372452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326378 (or 2326376 counting only the distinct ones).

The product of its digits is 90720, while the sum is 35.

The spelling of 31323372452 in words is "thirty-one billion, three hundred twenty-three million, three hundred seventy-two thousand, four hundred fifty-two".