13830431 has 2 divisors, whose sum is σ = 13830432. Its totient is φ = 13830430.

The previous prime is 13830413. The next prime is 13830437. The reversal of 13830431 is 13403831.

It is a happy number.

13830431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (13830413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13830431 - 2¹⁰ = 13829407 is a prime.

It is a super-2 number, since 2×13830431² = 382561643291522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13830397 and 13830406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13830437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915215 + 6915216.

It is an arithmetic number, because the mean of its divisors is an integer number (6915216).

Almost surely, 2^13830431 is an apocalyptic number.

13830431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13830431 is an equidigital number, since it uses as much as digits as its factorization.

13830431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13830431 is about 3718.9287436035. The cubic root of 13830431 is about 240.0372106656.

The spelling of 13830431 in words is "thirteen million, eight hundred thirty thousand, four hundred thirty-one".