231255464 has 32 divisors (see below), whose sum is σ = 478353600. Its totient is φ = 103931520.

The previous prime is 231255461. The next prime is 231255473. The reversal of 231255464 is 464552132.

231255464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231255464.

It is not an unprimeable number, because it can be changed into a prime (231255461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6932 + ... + 22595.

It is an arithmetic number, because the mean of its divisors is an integer number (14948550).

Almost surely, 2^231255464 is an apocalyptic number.

It is an amenable number.

231255464 is an abundant number, since it is smaller than the sum of its proper divisors (247098136).

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

231255464 is a wasteful number, since it uses less digits than its factorization.

231255464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29633 (or 29629 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 231255464 is about 15207.0859798977. The cubic root of 231255464 is about 613.8053473730.

The spelling of 231255464 in words is "two hundred thirty-one million, two hundred fifty-five thousand, four hundred sixty-four".