13112323031 has 2 divisors, whose sum is σ = 13112323032. Its totient is φ = 13112323030.

The previous prime is 13112322983. The next prime is 13112323043. The reversal of 13112323031 is 13032321131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13112323031 - 2¹⁰ = 13112322007 is a prime.

It is a super-2 number, since 2×13112323031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13112322994 and 13112323012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13112323531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556161515 + 6556161516.

It is an arithmetic number, because the mean of its divisors is an integer number (6556161516).

Almost surely, 2^13112323031 is an apocalyptic number.

13112323031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112323031 is an equidigital number, since it uses as much as digits as its factorization.

13112323031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13112323031 its reverse (13032321131), we get a palindrome (26144644162).

The spelling of 13112323031 in words is "thirteen billion, one hundred twelve million, three hundred twenty-three thousand, thirty-one".