31504505324 has 12 divisors (see below), whose sum is σ = 55216297248. Its totient is φ = 15728420400.

The previous prime is 31504505297. The next prime is 31504505327. The reversal of 31504505324 is 42350540513.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31504505327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5955092 + ... + 5960379.

It is an arithmetic number, because the mean of its divisors is an integer number (4601358104).

Almost surely, 2^31504505324 is an apocalyptic number.

It is an amenable number.

31504505324 is a deficient number, since it is larger than the sum of its proper divisors (23711791924).

31504505324 is a wasteful number, since it uses less digits than its factorization.

31504505324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11916136 (or 11916134 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 31504505324 in words is "thirty-one billion, five hundred four million, five hundred five thousand, three hundred twenty-four".