51325325131 has 8 divisors (see below), whose sum is σ = 51495904944. Its totient is φ = 51154800480.

The previous prime is 51325325101. The next prime is 51325325167. The reversal of 51325325131 is 13152352315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51325325131 - 2⁷ = 51325325003 is a prime.

It is a super-2 number, since 2×51325325131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51325325093 and 51325325102.

It is not an unprimeable number, because it can be changed into a prime (51325325101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761636 + ... + 2780158.

It is an arithmetic number, because the mean of its divisors is an integer number (6436988118).

Almost surely, 2^51325325131 is an apocalyptic number.

51325325131 is a deficient number, since it is larger than the sum of its proper divisors (170579813).

51325325131 is a wasteful number, since it uses less digits than its factorization.

51325325131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27581.

The product of its digits is 13500, while the sum is 31.

Adding to 51325325131 its reverse (13152352315), we get a palindrome (64477677446).

The spelling of 51325325131 in words is "fifty-one billion, three hundred twenty-five million, three hundred twenty-five thousand, one hundred thirty-one".