231274743 has 16 divisors (see below), whose sum is σ = 352859136. Its totient is φ = 131991840.

The previous prime is 231274711. The next prime is 231274759. The reversal of 231274743 is 347472132.

It is not a de Polignac number, because 231274743 - 2⁵ = 231274711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231274763) 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, 11458 + ... + 24368.

It is an arithmetic number, because the mean of its divisors is an integer number (22053696).

Almost surely, 2^231274743 is an apocalyptic number.

231274743 is a deficient number, since it is larger than the sum of its proper divisors (121584393).

231274743 is a wasteful number, since it uses less digits than its factorization.

231274743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13774.

The product of its digits is 28224, while the sum is 33.

The square root of 231274743 is about 15207.7198488136. The cubic root of 231274743 is about 613.8224038701.

The spelling of 231274743 in words is "two hundred thirty-one million, two hundred seventy-four thousand, seven hundred forty-three".