50130631 has 4 divisors (see below), whose sum is σ = 50151352. Its totient is φ = 50109912.

The previous prime is 50130617. The next prime is 50130653. The reversal of 50130631 is 13603105.

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 50130631 - 2¹³ = 50122439 is a prime.

It is a super-2 number, since 2×50130631² = 5026160328916322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50130599 and 50130608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50130601) 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, 6165 + ... + 11758.

It is an arithmetic number, because the mean of its divisors is an integer number (12537838).

Almost surely, 2^50130631 is an apocalyptic number.

50130631 is a deficient number, since it is larger than the sum of its proper divisors (20721).

50130631 is a wasteful number, since it uses less digits than its factorization.

50130631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20720.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 50130631 is about 7080.2987931301. The cubic root of 50130631 is about 368.7237033436.

Adding to 50130631 its reverse (13603105), we get a palindrome (63733736).

The spelling of 50130631 in words is "fifty million, one hundred thirty thousand, six hundred thirty-one".