1313100101 has 4 divisors (see below), whose sum is σ = 1315432992. Its totient is φ = 1310767212.

The previous prime is 1313100059. The next prime is 1313100119. The reversal of 1313100101 is 1010013131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313100101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313100161) 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, 1165601 + ... + 1166726.

It is an arithmetic number, because the mean of its divisors is an integer number (328858248).

Almost surely, 2^1313100101 is an apocalyptic number.

It is an amenable number.

1313100101 is a deficient number, since it is larger than the sum of its proper divisors (2332891).

1313100101 is an equidigital number, since it uses as much as digits as its factorization.

1313100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332890.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1313100101 is about 36236.7230996402. The cubic root of 1313100101 is about 1095.0466264557.

Adding to 1313100101 its reverse (1010013131), we get a palindrome (2323113232).

The spelling of 1313100101 in words is "one billion, three hundred thirteen million, one hundred thousand, one hundred one".