231671344 has 10 divisors (see below), whose sum is σ = 448863260. Its totient is φ = 115835664.

The previous prime is 231671329. The next prime is 231671369. The reversal of 231671344 is 443176132.

It is a super-2 number, since 2×231671344² = 107343223261532672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7239714 + ... + 7239745.

It is an arithmetic number, because the mean of its divisors is an integer number (44886326).

Almost surely, 2^231671344 is an apocalyptic number.

It is an amenable number.

231671344 is a deficient number, since it is larger than the sum of its proper divisors (217191916).

231671344 is a wasteful number, since it uses less digits than its factorization.

231671344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14479467 (or 14479461 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 231671344 is about 15220.7537264092. The cubic root of 231671344 is about 614.1730741779.

The spelling of 231671344 in words is "two hundred thirty-one million, six hundred seventy-one thousand, three hundred forty-four".