13215302311 has 2 divisors, whose sum is σ = 13215302312. Its totient is φ = 13215302310.

The previous prime is 13215302281. The next prime is 13215302323. The reversal of 13215302311 is 11320351231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13215302311 - 2⁵ = 13215302279 is a prime.

It is a super-2 number, since 2×13215302311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13215302371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607651155 + 6607651156.

It is an arithmetic number, because the mean of its divisors is an integer number (6607651156).

Almost surely, 2^13215302311 is an apocalyptic number.

13215302311 is a deficient number, since it is larger than the sum of its proper divisors (1).

13215302311 is an equidigital number, since it uses as much as digits as its factorization.

13215302311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 13215302311 its reverse (11320351231), we get a palindrome (24535653542).

The spelling of 13215302311 in words is "thirteen billion, two hundred fifteen million, three hundred two thousand, three hundred eleven".