231513468 has 24 divisors (see below), whose sum is σ = 540473472. Its totient is φ = 77131824.

The previous prime is 231513437. The next prime is 231513479. The reversal of 231513468 is 864315132.

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 7 ways as a sum of consecutive naturals, for example, 28921 + ... + 36047.

It is an arithmetic number, because the mean of its divisors is an integer number (22519728).

Almost surely, 2^231513468 is an apocalyptic number.

It is an amenable number.

231513468 is an abundant number, since it is smaller than the sum of its proper divisors (308960004).

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

231513468 is a wasteful number, since it uses less digits than its factorization.

231513468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9841 (or 9839 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 231513468 is about 15215.5666342072. The cubic root of 231513468 is about 614.0335299129.

The spelling of 231513468 in words is "two hundred thirty-one million, five hundred thirteen thousand, four hundred sixty-eight".