50231431 has 2 divisors, whose sum is σ = 50231432. Its totient is φ = 50231430.

The previous prime is 50231417. The next prime is 50231443. The reversal of 50231431 is 13413205.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50231431 - 2⁵ = 50231399 is a prime.

It is a super-2 number, since 2×50231431² = 5046393320615522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50231399 and 50231408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50231411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25115715 + 25115716.

It is an arithmetic number, because the mean of its divisors is an integer number (25115716).

Almost surely, 2^50231431 is an apocalyptic number.

50231431 is a deficient number, since it is larger than the sum of its proper divisors (1).

50231431 is an equidigital number, since it uses as much as digits as its factorization.

50231431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 50231431 is about 7087.4135620831. The cubic root of 50231431 is about 368.9706745398.

Adding to 50231431 its reverse (13413205), we get a palindrome (63644636).

The spelling of 50231431 in words is "fifty million, two hundred thirty-one thousand, four hundred thirty-one".