13154231 has 2 divisors, whose sum is σ = 13154232. Its totient is φ = 13154230.

The previous prime is 13154201. The next prime is 13154237. The reversal of 13154231 is 13245131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13154231 - 2¹⁴ = 13137847 is a prime.

It is a super-2 number, since 2×13154231² = 346067586402722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13154237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577115 + 6577116.

It is an arithmetic number, because the mean of its divisors is an integer number (6577116).

Almost surely, 2^13154231 is an apocalyptic number.

13154231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13154231 is an equidigital number, since it uses as much as digits as its factorization.

13154231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 13154231 is about 3626.8762041184. The cubic root of 13154231 is about 236.0596839855.

Adding to 13154231 its reverse (13245131), we get a palindrome (26399362).

It can be divided in two parts, 13 and 154231, that multiplied together give a triangular number (2005003 = T₂₀₀₂).

The spelling of 13154231 in words is "thirteen million, one hundred fifty-four thousand, two hundred thirty-one".