231248464 has 20 divisors (see below), whose sum is σ = 449670004. Its totient is φ = 115204608.

The previous prime is 231248461. The next prime is 231248471. The reversal of 231248464 is 464842132.

231248464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11971600 + 219276864 = 3460^2 + 14808^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231248461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21657 + ... + 30520.

Almost surely, 2^231248464 is an apocalyptic number.

It is an amenable number.

231248464 is a deficient number, since it is larger than the sum of its proper divisors (218421540).

231248464 is a wasteful number, since it uses less digits than its factorization.

231248464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52462 (or 52456 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 231248464 is about 15206.8558222928. The cubic root of 231248464 is about 613.7991541056.

The spelling of 231248464 in words is "two hundred thirty-one million, two hundred forty-eight thousand, four hundred sixty-four".