512303431 has 16 divisors (see below), whose sum is σ = 534988800. Its totient is φ = 490207648.

The previous prime is 512303413. The next prime is 512303501. The reversal of 512303431 is 134303215.

It is a cyclic number.

It is not a de Polignac number, because 512303431 - 2⁹ = 512302919 is a prime.

It is a super-2 number, since 2×512303431² = 524909610828743522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512303131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662361 + ... + 663133.

It is an arithmetic number, because the mean of its divisors is an integer number (33436800).

Almost surely, 2^512303431 is an apocalyptic number.

512303431 is a deficient number, since it is larger than the sum of its proper divisors (22685369).

512303431 is a wasteful number, since it uses less digits than its factorization.

512303431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 512303431 is about 22634.1209460407. The cubic root of 512303431 is about 800.1580057698.

Adding to 512303431 its reverse (134303215), we get a palindrome (646606646).

The spelling of 512303431 in words is "five hundred twelve million, three hundred three thousand, four hundred thirty-one".