13254233503531 has 4 divisors (see below), whose sum is σ = 13577507491464. Its totient is φ = 12930959515600.

The previous prime is 13254233503517. The next prime is 13254233503541. The reversal of 13254233503531 is 13530533245231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13254233503531 - 2⁵ = 13254233503499 is a prime.

It is a super-2 number, since 2×13254233503531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13254233503541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161636993905 + ... + 161636993986.

It is an arithmetic number, because the mean of its divisors is an integer number (3394376872866).

Almost surely, 2^{13254233503531} is an apocalyptic number.

13254233503531 is a deficient number, since it is larger than the sum of its proper divisors (323273987933).

13254233503531 is an equidigital number, since it uses as much as digits as its factorization.

13254233503531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323273987932.

The product of its (nonzero) digits is 486000, while the sum is 40.

Adding to 13254233503531 its reverse (13530533245231), we get a palindrome (26784766748762).

The spelling of 13254233503531 in words is "thirteen trillion, two hundred fifty-four billion, two hundred thirty-three million, five hundred three thousand, five hundred thirty-one".