13553254331 has 4 divisors (see below), whose sum is σ = 13553713992. Its totient is φ = 13552794672.

The previous prime is 13553254289. The next prime is 13553254357. The reversal of 13553254331 is 13345235531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13345235531 = 383 ⋅34843957.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13553254331 is a prime.

It is a super-2 number, since 2×13553254331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13553254291 and 13553254300.

It is not an unprimeable number, because it can be changed into a prime (13553254361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182330 + ... + 245663.

It is an arithmetic number, because the mean of its divisors is an integer number (3388428498).

Almost surely, 2^13553254331 is an apocalyptic number.

13553254331 is a deficient number, since it is larger than the sum of its proper divisors (459661).

13553254331 is an equidigital number, since it uses as much as digits as its factorization.

13553254331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459660.

The product of its digits is 81000, while the sum is 35.

Adding to 13553254331 its reverse (13345235531), we get a palindrome (26898489862).

The spelling of 13553254331 in words is "thirteen billion, five hundred fifty-three million, two hundred fifty-four thousand, three hundred thirty-one".