13131321011 has 2 divisors, whose sum is σ = 13131321012. Its totient is φ = 13131321010.

The previous prime is 13131321001. The next prime is 13131321019. The reversal of 13131321011 is 11012313131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13131321011 - 2³⁰ = 12057579187 is a prime.

It is not a weakly prime, because it can be changed into another prime (13131321019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565660505 + 6565660506.

It is an arithmetic number, because the mean of its divisors is an integer number (6565660506).

Almost surely, 2^13131321011 is an apocalyptic number.

13131321011 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131321011 is an equidigital number, since it uses as much as digits as its factorization.

13131321011 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 17.

Adding to 13131321011 its reverse (11012313131), we get a palindrome (24143634142).

The spelling of 13131321011 in words is "thirteen billion, one hundred thirty-one million, three hundred twenty-one thousand, eleven".