231164357 has 2 divisors, whose sum is σ = 231164358. Its totient is φ = 231164356.

The previous prime is 231164327. The next prime is 231164363. The reversal of 231164357 is 753461132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212897281 + 18267076 = 14591^2 + 4274^2 .

It is a cyclic number.

It is not a de Polignac number, because 231164357 - 2¹⁶ = 231098821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231164327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115582178 + 115582179.

It is an arithmetic number, because the mean of its divisors is an integer number (115582179).

Almost surely, 2^231164357 is an apocalyptic number.

It is an amenable number.

231164357 is a deficient number, since it is larger than the sum of its proper divisors (1).

231164357 is an equidigital number, since it uses as much as digits as its factorization.

231164357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 231164357 is about 15204.0901404852. The cubic root of 231164357 is about 613.7247304537.

The spelling of 231164357 in words is "two hundred thirty-one million, one hundred sixty-four thousand, three hundred fifty-seven".