320314629172 has 24 divisors (see below), whose sum is σ = 578145335040. Its totient is φ = 155197725600.

The previous prime is 320314629137. The next prime is 320314629241. The reversal of 320314629172 is 271926413023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8415672 + ... + 8453647.

It is an arithmetic number, because the mean of its divisors is an integer number (24089388960).

Almost surely, 2^320314629172 is an apocalyptic number.

It is an amenable number.

320314629172 is a deficient number, since it is larger than the sum of its proper divisors (257830705868).

320314629172 is a wasteful number, since it uses less digits than its factorization.

320314629172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16869471 (or 16869469 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 320314629172 in words is "three hundred twenty billion, three hundred fourteen million, six hundred twenty-nine thousand, one hundred seventy-two".