13045111331 has 8 divisors (see below), whose sum is σ = 14909571840. Its totient is φ = 11180869128.

The previous prime is 13045111309. The next prime is 13045111351. The reversal of 13045111331 is 13311154031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13045111331 - 2²⁶ = 12978002467 is a prime.

It is a super-2 number, since 2×13045111331² (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 = 13045111297 and 13045111306.

It is not an unprimeable number, because it can be changed into a prime (13045111351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104330 + ... + 192288.

It is an arithmetic number, because the mean of its divisors is an integer number (1863696480).

Almost surely, 2^13045111331 is an apocalyptic number.

13045111331 is a deficient number, since it is larger than the sum of its proper divisors (1864460509).

13045111331 is an equidigital number, since it uses as much as digits as its factorization.

13045111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109153.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 13045111331 its reverse (13311154031), we get a palindrome (26356265362).

The spelling of 13045111331 in words is "thirteen billion, forty-five million, one hundred eleven thousand, three hundred thirty-one".