51241204131 has 16 divisors (see below), whose sum is σ = 73958353056. Its totient is φ = 31369660416.

The previous prime is 51241204129. The next prime is 51241204153. The reversal of 51241204131 is 13140214215.

It is not a de Polignac number, because 51241204131 - 2¹ = 51241204129 is a prime.

It is a super-2 number, since 2×51241204131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51241204181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3396300 + ... + 3411353.

It is an arithmetic number, because the mean of its divisors is an integer number (4622397066).

Almost surely, 2^51241204131 is an apocalyptic number.

51241204131 is a deficient number, since it is larger than the sum of its proper divisors (22717148925).

51241204131 is a wasteful number, since it uses less digits than its factorization.

51241204131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807862.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 51241204131 its reverse (13140214215), we get a palindrome (64381418346).

The spelling of 51241204131 in words is "fifty-one billion, two hundred forty-one million, two hundred four thousand, one hundred thirty-one".