13100231 has 2 divisors, whose sum is σ = 13100232. Its totient is φ = 13100230.

The previous prime is 13100221. The next prime is 13100233. The reversal of 13100231 is 13200131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13100231 is a prime.

It is a super-2 number, since 2×13100231² = 343232104506722, which contains 22 as substring.

Together with 13100233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13100233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550115 + 6550116.

It is an arithmetic number, because the mean of its divisors is an integer number (6550116).

Almost surely, 2^13100231 is an apocalyptic number.

13100231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13100231 is an equidigital number, since it uses as much as digits as its factorization.

13100231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13100231 is about 3619.4241254653. The cubic root of 13100231 is about 235.7362213702.

Adding to 13100231 its reverse (13200131), we get a palindrome (26300362).

It can be divided in two parts, 13100 and 231, that added together give a palindrome (13331).

The spelling of 13100231 in words is "thirteen million, one hundred thousand, two hundred thirty-one".