51407336816331 has 16 divisors (see below), whose sum is σ = 68998566889728. Its totient is φ = 34043842332000.

The previous prime is 51407336816327. The next prime is 51407336816347. The reversal of 51407336816331 is 13361863370415.

51407336816331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51407336816331 - 2² = 51407336816327 is a prime.

It is a super-2 number, since 2×51407336816331² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51407336816131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19675021 + ... + 22134161.

It is an arithmetic number, because the mean of its divisors is an integer number (4312410430608).

Almost surely, 2^{51407336816331} is an apocalyptic number.

51407336816331 is a deficient number, since it is larger than the sum of its proper divisors (17591230073397).

51407336816331 is a wasteful number, since it uses less digits than its factorization.

51407336816331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505442.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 51407336816331 in words is "fifty-one trillion, four hundred seven billion, three hundred thirty-six million, eight hundred sixteen thousand, three hundred thirty-one".