13233221371 has 2 divisors, whose sum is σ = 13233221372. Its totient is φ = 13233221370.

The previous prime is 13233221279. The next prime is 13233221381. The reversal of 13233221371 is 17312233231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13233221371 - 2¹³ = 13233213179 is a prime.

It is a super-2 number, since 2×13233221371² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13233221381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616610685 + 6616610686.

It is an arithmetic number, because the mean of its divisors is an integer number (6616610686).

Almost surely, 2^13233221371 is an apocalyptic number.

13233221371 is a deficient number, since it is larger than the sum of its proper divisors (1).

13233221371 is an equidigital number, since it uses as much as digits as its factorization.

13233221371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 28.

The spelling of 13233221371 in words is "thirteen billion, two hundred thirty-three million, two hundred twenty-one thousand, three hundred seventy-one".