231001456 has 20 divisors (see below), whose sum is σ = 511503472. Its totient is φ = 99000576.

The previous prime is 231001403. The next prime is 231001483. The reversal of 231001456 is 654100132.

231001456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031145 + ... + 1031368.

Almost surely, 2^231001456 is an apocalyptic number.

It is an amenable number.

231001456 is an abundant number, since it is smaller than the sum of its proper divisors (280502016).

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

231001456 is a wasteful number, since it uses less digits than its factorization.

231001456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062528 (or 2062522 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 231001456 is about 15198.7320523786. The cubic root of 231001456 is about 613.5805330997.

Adding to 231001456 its reverse (654100132), we get a palindrome (885101588).

The spelling of 231001456 in words is "two hundred thirty-one million, one thousand, four hundred fifty-six".