13455131 has 2 divisors, whose sum is σ = 13455132. Its totient is φ = 13455130.

The previous prime is 13455107. The next prime is 13455149. The reversal of 13455131 is 13155431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13455131 - 2⁶ = 13455067 is a prime.

It is a super-2 number, since 2×13455131² = 362081100454322, 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 = 13455097 and 13455106.

It is not a weakly prime, because it can be changed into another prime (13455191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727565 + 6727566.

It is an arithmetic number, because the mean of its divisors is an integer number (6727566).

Almost surely, 2^13455131 is an apocalyptic number.

13455131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13455131 is an equidigital number, since it uses as much as digits as its factorization.

13455131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 13455131 is about 3668.1236347757. The cubic root of 13455131 is about 237.8460683417.

The spelling of 13455131 in words is "thirteen million, four hundred fifty-five thousand, one hundred thirty-one".