51323032315 has 32 divisors (see below), whose sum is σ = 64445040000. Its totient is φ = 39188717568.

The previous prime is 51323032289. The next prime is 51323032333.

51323032315 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 51323032315 - 2²³ = 51314643707 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4524571 + ... + 4535899.

It is an arithmetic number, because the mean of its divisors is an integer number (2013907500).

Almost surely, 2^51323032315 is an apocalyptic number.

51323032315 is a deficient number, since it is larger than the sum of its proper divisors (13122007685).

51323032315 is a wasteful number, since it uses less digits than its factorization.

51323032315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11719.

The product of its (nonzero) digits is 8100, while the sum is 28.

It can be divided in two parts, 513230 and 32315, that added together give a palindrome (545545).

The spelling of 51323032315 in words is "fifty-one billion, three hundred twenty-three million, thirty-two thousand, three hundred fifteen".