465631331 has 16 divisors (see below), whose sum is σ = 515356128. Its totient is φ = 417177600.

The previous prime is 465631321. The next prime is 465631349. The reversal of 465631331 is 133136564.

It is not a de Polignac number, because 465631331 - 2⁶ = 465631267 is a prime.

It is a super-2 number, since 2×465631331² = 433625072817663122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465631321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299051 + ... + 300603.

It is an arithmetic number, because the mean of its divisors is an integer number (32209758).

Almost surely, 2^465631331 is an apocalyptic number.

465631331 is a deficient number, since it is larger than the sum of its proper divisors (49724797).

465631331 is a wasteful number, since it uses less digits than its factorization.

465631331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its digits is 19440, while the sum is 32.

The square root of 465631331 is about 21578.4923245346. The cubic root of 465631331 is about 775.0815486855.

Adding to 465631331 its reverse (133136564), we get a palindrome (598767895).

The spelling of 465631331 in words is "four hundred sixty-five million, six hundred thirty-one thousand, three hundred thirty-one".