50144313331 has 4 divisors (see below), whose sum is σ = 57307786672. Its totient is φ = 42980839992.

The previous prime is 50144313319. The next prime is 50144313341. The reversal of 50144313331 is 13331344105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50144313331 - 2⁷ = 50144313203 is a prime.

It is a super-2 number, since 2×50144313331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50144313331.

It is not an unprimeable number, because it can be changed into a prime (50144313311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3581736660 + ... + 3581736673.

It is an arithmetic number, because the mean of its divisors is an integer number (14326946668).

Almost surely, 2^50144313331 is an apocalyptic number.

50144313331 is a deficient number, since it is larger than the sum of its proper divisors (7163473341).

50144313331 is an equidigital number, since it uses as much as digits as its factorization.

50144313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163473340.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 50144313331 its reverse (13331344105), we get a palindrome (63475657436).

The spelling of 50144313331 in words is "fifty billion, one hundred forty-four million, three hundred thirteen thousand, three hundred thirty-one".