100131303313 has 4 divisors (see below), whose sum is σ = 100149807028. Its totient is φ = 100112799600.

The previous prime is 100131303287. The next prime is 100131303319. The reversal of 100131303313 is 313303131001.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70701214609 + 29430088704 = 265897^2 + 171552^2 .

It is a cyclic number.

It is not a de Polignac number, because 100131303313 - 2⁵ = 100131303281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100131303319) 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, 9243738 + ... + 9254563.

It is an arithmetic number, because the mean of its divisors is an integer number (25037451757).

Almost surely, 2^100131303313 is an apocalyptic number.

It is an amenable number.

100131303313 is a deficient number, since it is larger than the sum of its proper divisors (18503715).

100131303313 is an equidigital number, since it uses as much as digits as its factorization.

100131303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18503714.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 100131303313 its reverse (313303131001), we get a palindrome (413434434314).

The spelling of 100131303313 in words is "one hundred billion, one hundred thirty-one million, three hundred three thousand, three hundred thirteen".