50000120431 has 2 divisors, whose sum is σ = 50000120432. Its totient is φ = 50000120430.

The previous prime is 50000120419. The next prime is 50000120531. The reversal of 50000120431 is 13402100005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50000120431 - 2²⁷ = 49865902703 is a prime.

It is a super-2 number, since 2×50000120431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50000120531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000060215 + 25000060216.

It is an arithmetic number, because the mean of its divisors is an integer number (25000060216).

Almost surely, 2^50000120431 is an apocalyptic number.

50000120431 is a deficient number, since it is larger than the sum of its proper divisors (1).

50000120431 is an equidigital number, since it uses as much as digits as its factorization.

50000120431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 50000120431 its reverse (13402100005), we get a palindrome (63402220436).

The spelling of 50000120431 in words is "fifty billion, one hundred twenty thousand, four hundred thirty-one".