231536468 has 12 divisors (see below), whose sum is σ = 410071200. Its totient is φ = 114373272.

The previous prime is 231536443. The next prime is 231536477. The reversal of 231536468 is 864635132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348368 + ... + 349031.

It is an arithmetic number, because the mean of its divisors is an integer number (34172600).

Almost surely, 2^231536468 is an apocalyptic number.

It is an amenable number.

231536468 is a deficient number, since it is larger than the sum of its proper divisors (178534732).

231536468 is a wasteful number, since it uses less digits than its factorization.

231536468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697486 (or 697484 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 231536468 is about 15216.3224203485. The cubic root of 231536468 is about 614.0538632203.

It can be divided in two parts, 2315 and 36468, that added together give a palindrome (38783).

The spelling of 231536468 in words is "two hundred thirty-one million, five hundred thirty-six thousand, four hundred sixty-eight".