13330221031 has 2 divisors, whose sum is σ = 13330221032. Its totient is φ = 13330221030.

The previous prime is 13330221007. The next prime is 13330221049. The reversal of 13330221031 is 13012203331.

It is a strong prime.

It is an emirp because it is prime and its reverse (13012203331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13330221031 - 2²³ = 13321832423 is a prime.

It is a super-2 number, since 2×13330221031² (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 (13330221071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665110515 + 6665110516.

It is an arithmetic number, because the mean of its divisors is an integer number (6665110516).

Almost surely, 2^13330221031 is an apocalyptic number.

13330221031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13330221031 is an equidigital number, since it uses as much as digits as its factorization.

13330221031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13330221031 its reverse (13012203331), we get a palindrome (26342424362).

The spelling of 13330221031 in words is "thirteen billion, three hundred thirty million, two hundred twenty-one thousand, thirty-one".