461231331 has 16 divisors (see below), whose sum is σ = 671825280. Its totient is φ = 279141120.

The previous prime is 461231317. The next prime is 461231333. The reversal of 461231331 is 133132164.

It is a happy number.

It is not a de Polignac number, because 461231331 - 2⁷ = 461231203 is a prime.

It is a super-2 number, since 2×461231331² = 425468681392063122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461231333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14931 + ... + 33843.

It is an arithmetic number, because the mean of its divisors is an integer number (41989080).

Almost surely, 2^461231331 is an apocalyptic number.

461231331 is a deficient number, since it is larger than the sum of its proper divisors (210593949).

461231331 is a wasteful number, since it uses less digits than its factorization.

461231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19666.

The product of its digits is 1296, while the sum is 24.

The square root of 461231331 is about 21476.2969573435. The cubic root of 461231331 is about 772.6324310824.

Adding to 461231331 its reverse (133132164), we get a palindrome (594363495).

The spelling of 461231331 in words is "four hundred sixty-one million, two hundred thirty-one thousand, three hundred thirty-one".