13112322331 has 2 divisors, whose sum is σ = 13112322332. Its totient is φ = 13112322330.

The previous prime is 13112322323. The next prime is 13112322337. The reversal of 13112322331 is 13322321131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13112322331 - 2³ = 13112322323 is a prime.

It is a super-2 number, since 2×13112322331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13112322337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556161165 + 6556161166.

It is an arithmetic number, because the mean of its divisors is an integer number (6556161166).

Almost surely, 2^13112322331 is an apocalyptic number.

13112322331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112322331 is an equidigital number, since it uses as much as digits as its factorization.

13112322331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

Adding to 13112322331 its reverse (13322321131), we get a palindrome (26434643462).

The spelling of 13112322331 in words is "thirteen billion, one hundred twelve million, three hundred twenty-two thousand, three hundred thirty-one".