13131033323 has 4 divisors (see below), whose sum is σ = 13822140360. Its totient is φ = 12439926288.

The previous prime is 13131033299. The next prime is 13131033347. The reversal of 13131033323 is 32333013131.

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

It is an interprime number because it is at equal distance from previous prime (13131033299) and next prime (13131033347).

It is a cyclic number.

It is not a de Polignac number, because 13131033323 - 2⁸ = 13131033067 is a prime.

It is a super-2 number, since 2×13131033323² (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 (13131033373) 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, 345553490 + ... + 345553527.

It is an arithmetic number, because the mean of its divisors is an integer number (3455535090).

Almost surely, 2^13131033323 is an apocalyptic number.

13131033323 is a deficient number, since it is larger than the sum of its proper divisors (691107037).

13131033323 is an equidigital number, since it uses as much as digits as its factorization.

13131033323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691107036.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13131033323 its reverse (32333013131), we get a palindrome (45464046454).

The spelling of 13131033323 in words is "thirteen billion, one hundred thirty-one million, thirty-three thousand, three hundred twenty-three".