50147937131 has 2 divisors, whose sum is σ = 50147937132. Its totient is φ = 50147937130.

The previous prime is 50147937127. The next prime is 50147937143. The reversal of 50147937131 is 13173974105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50147937131 - 2² = 50147937127 is a prime.

It is a super-2 number, since 2×50147937131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50147937031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25073968565 + 25073968566.

It is an arithmetic number, because the mean of its divisors is an integer number (25073968566).

Almost surely, 2^50147937131 is an apocalyptic number.

50147937131 is a deficient number, since it is larger than the sum of its proper divisors (1).

50147937131 is an equidigital number, since it uses as much as digits as its factorization.

50147937131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 41.

The spelling of 50147937131 in words is "fifty billion, one hundred forty-seven million, nine hundred thirty-seven thousand, one hundred thirty-one".