13020231113 has 2 divisors, whose sum is σ = 13020231114. Its totient is φ = 13020231112.

The previous prime is 13020231109. The next prime is 13020231131. The reversal of 13020231113 is 31113202031.

Together with next prime (13020231131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8989504969 + 4030726144 = 94813^2 + 63488^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020231113 - 2² = 13020231109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13020231091 and 13020231100.

It is not a weakly prime, because it can be changed into another prime (13020231313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510115556 + 6510115557.

It is an arithmetic number, because the mean of its divisors is an integer number (6510115557).

Almost surely, 2^13020231113 is an apocalyptic number.

It is an amenable number.

13020231113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020231113 is an equidigital number, since it uses as much as digits as its factorization.

13020231113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13020231113 its reverse (31113202031), we get a palindrome (44133433144).

The spelling of 13020231113 in words is "thirteen billion, twenty million, two hundred thirty-one thousand, one hundred thirteen".