50115412331 has 4 divisors (see below), whose sum is σ = 50116344432. Its totient is φ = 50114480232.

The previous prime is 50115412309. The next prime is 50115412351. The reversal of 50115412331 is 13321451105.

50115412331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13321451105 = 5 ⋅2664290221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50115412331 is a prime.

It is a super-2 number, since 2×50115412331² (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 50115412331.

It is not an unprimeable number, because it can be changed into a prime (50115412351) 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, 380120 + ... + 494693.

It is an arithmetic number, because the mean of its divisors is an integer number (12529086108).

Almost surely, 2^50115412331 is an apocalyptic number.

50115412331 is a deficient number, since it is larger than the sum of its proper divisors (932101).

50115412331 is an equidigital number, since it uses as much as digits as its factorization.

50115412331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932100.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 50115412331 its reverse (13321451105), we get a palindrome (63436863436).

The spelling of 50115412331 in words is "fifty billion, one hundred fifteen million, four hundred twelve thousand, three hundred thirty-one".