50420131 has 2 divisors, whose sum is σ = 50420132. Its totient is φ = 50420130.

The previous prime is 50420107. The next prime is 50420171. The reversal of 50420131 is 13102405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50420131 - 2⁷ = 50420003 is a prime.

It is a super-2 number, since 2×50420131² = 5084379220114322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50420101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210065 + 25210066.

It is an arithmetic number, because the mean of its divisors is an integer number (25210066).

Almost surely, 2^50420131 is an apocalyptic number.

50420131 is a deficient number, since it is larger than the sum of its proper divisors (1).

50420131 is an equidigital number, since it uses as much as digits as its factorization.

50420131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 50420131 is about 7100.7134148619. The cubic root of 50420131 is about 369.4321237558.

Adding to 50420131 its reverse (13102405), we get a palindrome (63522536).

The spelling of 50420131 in words is "fifty million, four hundred twenty thousand, one hundred thirty-one".