50130431231 has 16 divisors (see below), whose sum is σ = 53077701600. Its totient is φ = 47214379008.

The previous prime is 50130431227. The next prime is 50130431251. The reversal of 50130431231 is 13213403105.

It is a cyclic number.

It is not a de Polignac number, because 50130431231 - 2² = 50130431227 is a prime.

It is a super-2 number, since 2×50130431231² (a number of 22 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 = 50130431197 and 50130431206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50130431251) 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, 6923345 + ... + 6930581.

It is an arithmetic number, because the mean of its divisors is an integer number (3317356350).

Almost surely, 2^50130431231 is an apocalyptic number.

50130431231 is a deficient number, since it is larger than the sum of its proper divisors (2947270369).

50130431231 is a wasteful number, since it uses less digits than its factorization.

50130431231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9338.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 50130431231 its reverse (13213403105), we get a palindrome (63343834336).

The spelling of 50130431231 in words is "fifty billion, one hundred thirty million, four hundred thirty-one thousand, two hundred thirty-one".