51341361531 has 8 divisors (see below), whose sum is σ = 68473810944. Its totient is φ = 34218243240.

The previous prime is 51341361469. The next prime is 51341361541. The reversal of 51341361531 is 13516314315.

It is a happy number.

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

It is not a de Polignac number, because 51341361531 - 2²⁵ = 51307807099 is a prime.

It is a super-2 number, since 2×51341361531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51341361492 and 51341361501.

It is not an unprimeable number, because it can be changed into a prime (51341361541) 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, 2319931 + ... + 2341956.

It is an arithmetic number, because the mean of its divisors is an integer number (8559226368).

Almost surely, 2^51341361531 is an apocalyptic number.

51341361531 is a deficient number, since it is larger than the sum of its proper divisors (17132449413).

51341361531 is a wasteful number, since it uses less digits than its factorization.

51341361531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665561.

The product of its digits is 16200, while the sum is 33.

Adding to 51341361531 its reverse (13516314315), we get a palindrome (64857675846).

The spelling of 51341361531 in words is "fifty-one billion, three hundred forty-one million, three hundred sixty-one thousand, five hundred thirty-one".