13453533331 has 4 divisors (see below), whose sum is σ = 15375466672. Its totient is φ = 11531599992.

The previous prime is 13453533323. The next prime is 13453533337. The reversal of 13453533331 is 13333535431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13333535431 = 631 ⋅21130801.

It is a cyclic number.

It is not a de Polignac number, because 13453533331 - 2³ = 13453533323 is a prime.

It is a super-2 number, since 2×13453533331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13453533337) 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, 960966660 + ... + 960966673.

It is an arithmetic number, because the mean of its divisors is an integer number (3843866668).

Almost surely, 2^13453533331 is an apocalyptic number.

13453533331 is a deficient number, since it is larger than the sum of its proper divisors (1921933341).

13453533331 is an equidigital number, since it uses as much as digits as its factorization.

13453533331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921933340.

The product of its digits is 72900, while the sum is 34.

The spelling of 13453533331 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-three thousand, three hundred thirty-one".