231362331264 has 128 divisors (see below), whose sum is σ = 692458416000. Its totient is φ = 76034488320.

The previous prime is 231362331247. The next prime is 231362331269. The reversal of 231362331264 is 462133263132.

231362331264 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 62 + 331 + 264 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (231362331269) 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, 226069 + ... + 716820.

It is an arithmetic number, because the mean of its divisors is an integer number (5409831375).

Almost surely, 2^231362331264 is an apocalyptic number.

231362331264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231362331264 is an abundant number, since it is smaller than the sum of its proper divisors (461096084736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231362331264 is an equidigital number, since it uses as much as digits as its factorization.

231362331264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942983 (or 942965 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

Adding to 231362331264 its reverse (462133263132), we get a palindrome (693495594396).

The spelling of 231362331264 in words is "two hundred thirty-one billion, three hundred sixty-two million, three hundred thirty-one thousand, two hundred sixty-four".