100320013831 has 2 divisors, whose sum is σ = 100320013832. Its totient is φ = 100320013830.

The previous prime is 100320013823. The next prime is 100320013841. The reversal of 100320013831 is 138310023001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100320013831 - 2³ = 100320013823 is a prime.

It is a super-2 number, since 2×100320013831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100320013841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50160006915 + 50160006916.

It is an arithmetic number, because the mean of its divisors is an integer number (50160006916).

Almost surely, 2^100320013831 is an apocalyptic number.

100320013831 is a deficient number, since it is larger than the sum of its proper divisors (1).

100320013831 is an equidigital number, since it uses as much as digits as its factorization.

100320013831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 100320013831 its reverse (138310023001), we get a palindrome (238630036832).

The spelling of 100320013831 in words is "one hundred billion, three hundred twenty million, thirteen thousand, eight hundred thirty-one".