13101313021 has 2 divisors, whose sum is σ = 13101313022. Its totient is φ = 13101313020.

The previous prime is 13101312997. The next prime is 13101313033. The reversal of 13101313021 is 12031310131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13044837796 + 56475225 = 114214^2 + 7515^2 .

It is a cyclic number.

It is not a de Polignac number, because 13101313021 - 2⁵ = 13101312989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13101312986 and 13101313004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13101313921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550656510 + 6550656511.

It is an arithmetic number, because the mean of its divisors is an integer number (6550656511).

Almost surely, 2^13101313021 is an apocalyptic number.

It is an amenable number.

13101313021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13101313021 is an equidigital number, since it uses as much as digits as its factorization.

13101313021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13101313021 its reverse (12031310131), we get a palindrome (25132623152).

The spelling of 13101313021 in words is "thirteen billion, one hundred one million, three hundred thirteen thousand, twenty-one".