231379167 has 16 divisors (see below), whose sum is σ = 323592192. Its totient is φ = 146887200.

The previous prime is 231379151. The next prime is 231379189. The reversal of 231379167 is 761973132.

It is a happy number.

It is not a de Polignac number, because 231379167 - 2⁴ = 231379151 is a prime.

It is a super-2 number, since 2×231379167² = 107072637843227778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231379117) 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, 16959 + ... + 27392.

It is an arithmetic number, because the mean of its divisors is an integer number (20224512).

Almost surely, 2^231379167 is an apocalyptic number.

231379167 is a deficient number, since it is larger than the sum of its proper divisors (92213025).

231379167 is a wasteful number, since it uses less digits than its factorization.

231379167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44438.

The product of its digits is 47628, while the sum is 39.

The square root of 231379167 is about 15211.1527176608. The cubic root of 231379167 is about 613.9147732965.

The spelling of 231379167 in words is "two hundred thirty-one million, three hundred seventy-nine thousand, one hundred sixty-seven".