13331154097 has 4 divisors (see below), whose sum is σ = 13334702436. Its totient is φ = 13327605760.

The previous prime is 13331154079. The next prime is 13331154103. The reversal of 13331154097 is 79045113331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79045113331 = 37549 ⋅2105119.

It can be written as a sum of positive squares in 2 ways, for example, as 6619612321 + 6711541776 = 81361^2 + 81924^2 .

It is a cyclic number.

It is not a de Polignac number, because 13331154097 - 2¹¹ = 13331152049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331154007) 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, 1768528 + ... + 1776049.

It is an arithmetic number, because the mean of its divisors is an integer number (3333675609).

Almost surely, 2^13331154097 is an apocalyptic number.

It is an amenable number.

13331154097 is a deficient number, since it is larger than the sum of its proper divisors (3548339).

13331154097 is an equidigital number, since it uses as much as digits as its factorization.

13331154097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548338.

The product of its (nonzero) digits is 34020, while the sum is 37.

The spelling of 13331154097 in words is "thirteen billion, three hundred thirty-one million, one hundred fifty-four thousand, ninety-seven".