13311031 has 2 divisors, whose sum is σ = 13311032. Its totient is φ = 13311030.

The previous prime is 13311007. The next prime is 13311047. The reversal of 13311031 is 13011331.

It is a happy number.

13311031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13311031 - 2¹⁵ = 13278263 is a prime.

It is a super-2 number, since 2×13311031² = 354367092565922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13312031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655515 + 6655516.

It is an arithmetic number, because the mean of its divisors is an integer number (6655516).

Almost surely, 2^13311031 is an apocalyptic number.

13311031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311031 is an equidigital number, since it uses as much as digits as its factorization.

13311031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 13311031 is about 3648.4285658349. The cubic root of 13311031 is about 236.9939348148.

Adding to 13311031 its reverse (13011331), we get a palindrome (26322362).

The spelling of 13311031 in words is "thirteen million, three hundred eleven thousand, thirty-one".