323937431 has 16 divisors (see below), whose sum is σ = 351926208. Its totient is φ = 297024000.

The previous prime is 323937421. The next prime is 323937457. The reversal of 323937431 is 134739323.

It is a de Polignac number, because none of the positive numbers 2^k-323937431 is a prime.

It is a super-2 number, since 2×323937431² = 209870918405759522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323937391 and 323937400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323937421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134861 + ... + 137241.

It is an arithmetic number, because the mean of its divisors is an integer number (21995388).

Almost surely, 2^323937431 is an apocalyptic number.

323937431 is a deficient number, since it is larger than the sum of its proper divisors (27988777).

323937431 is a wasteful number, since it uses less digits than its factorization.

323937431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602.

The product of its digits is 40824, while the sum is 35.

The square root of 323937431 is about 17998.2618883047. The cubic root of 323937431 is about 686.7843305712.

The spelling of 323937431 in words is "three hundred twenty-three million, nine hundred thirty-seven thousand, four hundred thirty-one".