13313331231 has 8 divisors (see below), whose sum is σ = 18230868144. Its totient is φ = 8635674240.

The previous prime is 13313331209. The next prime is 13313331253. The reversal of 13313331231 is 13213331331.

It is an interprime number because it is at equal distance from previous prime (13313331209) and next prime (13313331253).

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

It is not a de Polignac number, because 13313331231 - 2⁶ = 13313331167 is a prime.

It is a super-2 number, since 2×13313331231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313331271) 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, 59969850 + ... + 59970071.

It is an arithmetic number, because the mean of its divisors is an integer number (2278858518).

Almost surely, 2^13313331231 is an apocalyptic number.

13313331231 is a deficient number, since it is larger than the sum of its proper divisors (4917536913).

13313331231 is a wasteful number, since it uses less digits than its factorization.

13313331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119939961.

The product of its digits is 1458, while the sum is 24.

Adding to 13313331231 its reverse (13213331331), we get a palindrome (26526662562).

The spelling of 13313331231 in words is "thirteen billion, three hundred thirteen million, three hundred thirty-one thousand, two hundred thirty-one".