13900231 has 2 divisors, whose sum is σ = 13900232. Its totient is φ = 13900230.

The previous prime is 13900199. The next prime is 13900247. The reversal of 13900231 is 13200931.

13900231 is digitally balanced in base 2, 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 13900231 - 2⁵ = 13900199 is a prime.

It is a super-2 number, since 2×13900231² = 386432843706722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13900199 and 13900208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13900261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950115 + 6950116.

It is an arithmetic number, because the mean of its divisors is an integer number (6950116).

Almost surely, 2^13900231 is an apocalyptic number.

13900231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13900231 is an equidigital number, since it uses as much as digits as its factorization.

13900231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 13900231 is about 3728.3013558456. The cubic root of 13900231 is about 240.4403432007.

The spelling of 13900231 in words is "thirteen million, nine hundred thousand, two hundred thirty-one".