51530100445131 has 64 divisors (see below), whose sum is σ = 86966049423360. Its totient is φ = 26361125429760.

The previous prime is 51530100445037. The next prime is 51530100445133. The reversal of 51530100445131 is 13154400103515.

It is a happy number.

It is not a de Polignac number, because 51530100445131 - 2¹³ = 51530100436939 is a prime.

It is a super-2 number, since 2×51530100445131² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 51530100445092 and 51530100445101.

It is not an unprimeable number, because it can be changed into a prime (51530100445133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49272030 + ... + 50306988.

It is an arithmetic number, because the mean of its divisors is an integer number (1358844522240).

Almost surely, 2^{51530100445131} is an apocalyptic number.

51530100445131 is a deficient number, since it is larger than the sum of its proper divisors (35435948978229).

51530100445131 is a wasteful number, since it uses less digits than its factorization.

51530100445131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038264.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 51530100445131 its reverse (13154400103515), we get a palindrome (64684500548646).

The spelling of 51530100445131 in words is "fifty-one trillion, five hundred thirty billion, one hundred million, four hundred forty-five thousand, one hundred thirty-one".