13431254355 has 20 divisors (see below), whose sum is σ = 24076767792. Its totient is φ = 7163335440.

The previous prime is 13431254341. The next prime is 13431254359. The reversal of 13431254355 is 55345213431.

13431254355 is a `hidden beast` number, since 1 + 34 + 31 + 2 + 543 + 55 = 666.

It is not a de Polignac number, because 13431254355 - 2⁵ = 13431254323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13431254359) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16581391 + ... + 16582200.

Almost surely, 2^13431254355 is an apocalyptic number.

13431254355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13431254355 is a deficient number, since it is larger than the sum of its proper divisors (10645513437).

13431254355 is an equidigital number, since it uses as much as digits as its factorization.

13431254355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33163608 (or 33163599 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

Adding to 13431254355 its reverse (55345213431), we get a palindrome (68776467786).

The spelling of 13431254355 in words is "thirteen billion, four hundred thirty-one million, two hundred fifty-four thousand, three hundred fifty-five".