231738807 has 16 divisors (see below), whose sum is σ = 317928672. Its totient is φ = 150036480.

The previous prime is 231738769. The next prime is 231738821. The reversal of 231738807 is 708837132.

It is not a de Polignac number, because 231738807 - 2¹¹ = 231736759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231738827) 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, 69523 + ... + 72779.

It is an arithmetic number, because the mean of its divisors is an integer number (19870542).

Almost surely, 2^231738807 is an apocalyptic number.

231738807 is a deficient number, since it is larger than the sum of its proper divisors (86189865).

231738807 is a wasteful number, since it uses less digits than its factorization.

231738807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 231738807 is about 15222.9697168457. The cubic root of 231738807 is about 614.2326843943.

The spelling of 231738807 in words is "two hundred thirty-one million, seven hundred thirty-eight thousand, eight hundred seven".