231364269 has 10 divisors (see below), whose sum is σ = 345618350. Its totient is φ = 154242792.

The previous prime is 231364213. The next prime is 231364283. The reversal of 231364269 is 962463132.

231364269 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 642 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 229159044 + 2205225 = 15138^2 + 1485^2 .

It is not a de Polignac number, because 231364269 - 2⁷ = 231364141 is a prime.

It is a super-2 number, since 2×231364269² = 107058849939808722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231365269) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1428094 + ... + 1428255.

It is an arithmetic number, because the mean of its divisors is an integer number (34561835).

Almost surely, 2^231364269 is an apocalyptic number.

It is an amenable number.

231364269 is a deficient number, since it is larger than the sum of its proper divisors (114254081).

231364269 is an equidigital number, since it uses as much as digits as its factorization.

231364269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856361 (or 2856352 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 231364269 is about 15210.6630033013. The cubic root of 231364269 is about 613.9015968025.

The spelling of 231364269 in words is "two hundred thirty-one million, three hundred sixty-four thousand, two hundred sixty-nine".