231364539 has 48 divisors (see below), whose sum is σ = 413552640. Its totient is φ = 125213040.

The previous prime is 231364537. The next prime is 231364541. The reversal of 231364539 is 935463132.

It is a happy number.

231364539 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 645 + 3 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (231364537) and next prime (231364541).

It is not a de Polignac number, because 231364539 - 2¹ = 231364537 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (231364531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66534 + ... + 69924.

It is an arithmetic number, because the mean of its divisors is an integer number (8615680).

Almost surely, 2^231364539 is an apocalyptic number.

231364539 is a deficient number, since it is larger than the sum of its proper divisors (182188101).

231364539 is a wasteful number, since it uses less digits than its factorization.

231364539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445 (or 3420 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 231364539 is about 15210.6718786515. The cubic root of 231364539 is about 613.9018356083.

The spelling of 231364539 in words is "two hundred thirty-one million, three hundred sixty-four thousand, five hundred thirty-nine".