51310201315 has 4 divisors (see below), whose sum is σ = 61572241584. Its totient is φ = 41048161048.

The previous prime is 51310201303. The next prime is 51310201331.

51310201315 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 51310201315 - 2⁹ = 51310200803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5131020127 + ... + 5131020136.

It is an arithmetic number, because the mean of its divisors is an integer number (15393060396).

Almost surely, 2^51310201315 is an apocalyptic number.

51310201315 is a deficient number, since it is larger than the sum of its proper divisors (10262040269).

51310201315 is a wasteful number, since it uses less digits than its factorization.

51310201315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262040268.

The product of its (nonzero) digits is 450, while the sum is 22.

The spelling of 51310201315 in words is "fifty-one billion, three hundred ten million, two hundred one thousand, three hundred fifteen".