231354867 has 4 divisors (see below), whose sum is σ = 308473160. Its totient is φ = 154236576.

The previous prime is 231354859. The next prime is 231354869. The reversal of 231354867 is 768453132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231354867 - 2³ = 231354859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231354869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38559142 + ... + 38559147.

It is an arithmetic number, because the mean of its divisors is an integer number (77118290).

Almost surely, 2^231354867 is an apocalyptic number.

231354867 is a deficient number, since it is larger than the sum of its proper divisors (77118293).

231354867 is an equidigital number, since it uses as much as digits as its factorization.

231354867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77118292.

The product of its digits is 120960, while the sum is 39.

The square root of 231354867 is about 15210.3539406550. The cubic root of 231354867 is about 613.8932809391.

It can be divided in two parts, 231354 and 867, that added together give a triangular number (232221 = T₆₈₁).

The spelling of 231354867 in words is "two hundred thirty-one million, three hundred fifty-four thousand, eight hundred sixty-seven".