13313332031 has 2 divisors, whose sum is σ = 13313332032. Its totient is φ = 13313332030.

The previous prime is 13313332027. The next prime is 13313332033. The reversal of 13313332031 is 13023331331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13313332031 - 2² = 13313332027 is a prime.

It is a super-2 number, since 2×13313332031² (a number of 21 digits) contains 22 as substring.

Together with 13313332033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13313331988 and 13313332006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13313332033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656666015 + 6656666016.

It is an arithmetic number, because the mean of its divisors is an integer number (6656666016).

Almost surely, 2^13313332031 is an apocalyptic number.

13313332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313332031 is an equidigital number, since it uses as much as digits as its factorization.

13313332031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13313332031 its reverse (13023331331), we get a palindrome (26336663362).

The spelling of 13313332031 in words is "thirteen billion, three hundred thirteen million, three hundred thirty-two thousand, thirty-one".