512334131 has 4 divisors (see below), whose sum is σ = 534609552. Its totient is φ = 490058712.

The previous prime is 512334103. The next prime is 512334139. The reversal of 512334131 is 131433215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512334131 is a prime.

It is a super-2 number, since 2×512334131² = 524972523575050322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 22275397 = 512334131 / (5 + 1 + 2 + 3 + 3 + 4 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512334097 and 512334106.

It is not an unprimeable number, because it can be changed into a prime (512334139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11137676 + ... + 11137721.

It is an arithmetic number, because the mean of its divisors is an integer number (133652388).

Almost surely, 2^512334131 is an apocalyptic number.

512334131 is a deficient number, since it is larger than the sum of its proper divisors (22275421).

512334131 is a wasteful number, since it uses less digits than its factorization.

512334131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22275420.

The product of its digits is 1080, while the sum is 23.

The square root of 512334131 is about 22634.7991155212. The cubic root of 512334131 is about 800.1739887197.

Adding to 512334131 its reverse (131433215), we get a palindrome (643767346).

The spelling of 512334131 in words is "five hundred twelve million, three hundred thirty-four thousand, one hundred thirty-one".