13020332251 has 2 divisors, whose sum is σ = 13020332252. Its totient is φ = 13020332250.

The previous prime is 13020332243. The next prime is 13020332267. The reversal of 13020332251 is 15223302031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13020332251 - 2³ = 13020332243 is a prime.

It is not a weakly prime, because it can be changed into another prime (13020332051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510166125 + 6510166126.

It is an arithmetic number, because the mean of its divisors is an integer number (6510166126).

Almost surely, 2^13020332251 is an apocalyptic number.

13020332251 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020332251 is an equidigital number, since it uses as much as digits as its factorization.

13020332251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 13020332251 its reverse (15223302031), we get a palindrome (28243634282).

The spelling of 13020332251 in words is "thirteen billion, twenty million, three hundred thirty-two thousand, two hundred fifty-one".