13021303291 has 2 divisors, whose sum is σ = 13021303292. Its totient is φ = 13021303290.

The previous prime is 13021303249. The next prime is 13021303297. The reversal of 13021303291 is 19230312031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13021303291 - 2¹⁹ = 13020779003 is a prime.

It is not a weakly prime, because it can be changed into another prime (13021303297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510651645 + 6510651646.

It is an arithmetic number, because the mean of its divisors is an integer number (6510651646).

Almost surely, 2^13021303291 is an apocalyptic number.

13021303291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021303291 is an equidigital number, since it uses as much as digits as its factorization.

13021303291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 13021303291 in words is "thirteen billion, twenty-one million, three hundred three thousand, two hundred ninety-one".