13055431 has 2 divisors, whose sum is σ = 13055432. Its totient is φ = 13055430.

The previous prime is 13055417. The next prime is 13055447. The reversal of 13055431 is 13455031.

It is a happy number.

13055431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13055431 - 2¹³ = 13047239 is a prime.

It is a super-2 number, since 2×13055431² = 340888557191522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13055401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6527715 + 6527716.

It is an arithmetic number, because the mean of its divisors is an integer number (6527716).

Almost surely, 2^13055431 is an apocalyptic number.

13055431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13055431 is an equidigital number, since it uses as much as digits as its factorization.

13055431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 13055431 is about 3613.2299954473. The cubic root of 13055431 is about 235.4671919052.

The spelling of 13055431 in words is "thirteen million, fifty-five thousand, four hundred thirty-one".