100131320623 has 2 divisors, whose sum is σ = 100131320624. Its totient is φ = 100131320622.

The previous prime is 100131320603. The next prime is 100131320659. The reversal of 100131320623 is 326023131001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100131320623 - 2²¹ = 100129223471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100131320594 and 100131320603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100131320603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50065660311 + 50065660312.

It is an arithmetic number, because the mean of its divisors is an integer number (50065660312).

Almost surely, 2^100131320623 is an apocalyptic number.

100131320623 is a deficient number, since it is larger than the sum of its proper divisors (1).

100131320623 is an equidigital number, since it uses as much as digits as its factorization.

100131320623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 100131320623 its reverse (326023131001), we get a palindrome (426154451624).

The spelling of 100131320623 in words is "one hundred billion, one hundred thirty-one million, three hundred twenty thousand, six hundred twenty-three".