13215631301 has 2 divisors, whose sum is σ = 13215631302. Its totient is φ = 13215631300.

The previous prime is 13215631291. The next prime is 13215631333. The reversal of 13215631301 is 10313651231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9462231076 + 3753400225 = 97274^2 + 61265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13215631301 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13215631381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607815650 + 6607815651.

It is an arithmetic number, because the mean of its divisors is an integer number (6607815651).

Almost surely, 2^13215631301 is an apocalyptic number.

It is an amenable number.

13215631301 is a deficient number, since it is larger than the sum of its proper divisors (1).

13215631301 is an equidigital number, since it uses as much as digits as its factorization.

13215631301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The spelling of 13215631301 in words is "thirteen billion, two hundred fifteen million, six hundred thirty-one thousand, three hundred one".