5051321432131 has 4 divisors (see below), whose sum is σ = 5439884619232. Its totient is φ = 4662758245032.

The previous prime is 5051321432081. The next prime is 5051321432137. The reversal of 5051321432131 is 1312341231505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5051321432131 is a prime.

It is a super-2 number, since 2×5051321432131² (a number of 26 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 = 5051321432093 and 5051321432102.

It is not an unprimeable number, because it can be changed into a prime (5051321432137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194281593531 + ... + 194281593556.

It is an arithmetic number, because the mean of its divisors is an integer number (1359971154808).

Almost surely, 2^{5051321432131} is an apocalyptic number.

5051321432131 is a deficient number, since it is larger than the sum of its proper divisors (388563187101).

5051321432131 is a wasteful number, since it uses less digits than its factorization.

5051321432131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388563187100.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 5051321432131 its reverse (1312341231505), we get a palindrome (6363662663636).

The spelling of 5051321432131 in words is "five trillion, fifty-one billion, three hundred twenty-one million, four hundred thirty-two thousand, one hundred thirty-one".