231373488765 has 32 divisors (see below), whose sum is σ = 370753459200. Its totient is φ = 123214049280.

The previous prime is 231373488763. The next prime is 231373488767. The reversal of 231373488765 is 567884373132.

It is an interprime number because it is at equal distance from previous prime (231373488763) and next prime (231373488767).

It is not a de Polignac number, because 231373488765 - 2¹ = 231373488763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231373488761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41543901 + ... + 41549469.

It is an arithmetic number, because the mean of its divisors is an integer number (11586045600).

Almost surely, 2^231373488765 is an apocalyptic number.

It is an amenable number.

231373488765 is a deficient number, since it is larger than the sum of its proper divisors (139379970435).

231373488765 is a wasteful number, since it uses less digits than its factorization.

231373488765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9237.

The product of its digits is 20321280, while the sum is 57.

The spelling of 231373488765 in words is "two hundred thirty-one billion, three hundred seventy-three million, four hundred eighty-eight thousand, seven hundred sixty-five".