13149731233 has 8 divisors (see below), whose sum is σ = 13166502048. Its totient is φ = 13132974624.

The previous prime is 13149731227. The next prime is 13149731317. The reversal of 13149731233 is 33213794131.

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 13149731233 - 2⁵ = 13149731201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13149731192 and 13149731201.

It is not an unprimeable number, because it can be changed into a prime (13149731533) 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, 4992885 + ... + 4995517.

It is an arithmetic number, because the mean of its divisors is an integer number (1645812756).

Almost surely, 2^13149731233 is an apocalyptic number.

It is an amenable number.

13149731233 is a deficient number, since it is larger than the sum of its proper divisors (16770815).

13149731233 is a wasteful number, since it uses less digits than its factorization.

13149731233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103.

The product of its digits is 40824, while the sum is 37.

The spelling of 13149731233 in words is "thirteen billion, one hundred forty-nine million, seven hundred thirty-one thousand, two hundred thirty-three".