13023001331 has 4 divisors (see below), whose sum is σ = 13024827600. Its totient is φ = 13021175064.

The previous prime is 13023001309. The next prime is 13023001379. The reversal of 13023001331 is 13310032031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13310032031 = 6151 ⋅2163881.

It is a cyclic number.

It is not a de Polignac number, because 13023001331 - 2⁶ = 13023001267 is a prime.

It is a super-2 number, since 2×13023001331² (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 (13023001031) 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, 902396 + ... + 916713.

It is an arithmetic number, because the mean of its divisors is an integer number (3256206900).

Almost surely, 2^13023001331 is an apocalyptic number.

13023001331 is a deficient number, since it is larger than the sum of its proper divisors (1826269).

13023001331 is an equidigital number, since it uses as much as digits as its factorization.

13023001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826268.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13023001331 its reverse (13310032031), we get a palindrome (26333033362).

The spelling of 13023001331 in words is "thirteen billion, twenty-three million, one thousand, three hundred thirty-one".