13100311233 has 6 divisors (see below), whose sum is σ = 18922671794. Its totient is φ = 8733540816.

The previous prime is 13100311187. The next prime is 13100311241. The reversal of 13100311233 is 33211300131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6806745009 + 6293566224 = 82503^2 + 79332^2 .

It is not a de Polignac number, because 13100311233 - 2¹⁴ = 13100294849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13100311253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 727795060 + ... + 727795077.

Almost surely, 2^13100311233 is an apocalyptic number.

It is an amenable number.

13100311233 is a deficient number, since it is larger than the sum of its proper divisors (5822360561).

13100311233 is a wasteful number, since it uses less digits than its factorization.

13100311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455590143 (or 1455590140 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13100311233 its reverse (33211300131), we get a palindrome (46311611364).

The spelling of 13100311233 in words is "thirteen billion, one hundred million, three hundred eleven thousand, two hundred thirty-three".