13201230331 has 16 divisors (see below), whose sum is σ = 13739420160. Its totient is φ = 12668816160.

The previous prime is 13201230323. The next prime is 13201230349. The reversal of 13201230331 is 13303210231.

It is a cyclic number.

It is not a de Polignac number, because 13201230331 - 2³ = 13201230323 is a prime.

It is a super-2 number, since 2×13201230331² (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 = 13201230299 and 13201230308.

It is not an unprimeable number, because it can be changed into a prime (13201230391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3633886 + ... + 3637516.

It is an arithmetic number, because the mean of its divisors is an integer number (858713760).

Almost surely, 2^13201230331 is an apocalyptic number.

13201230331 is a deficient number, since it is larger than the sum of its proper divisors (538189829).

13201230331 is a wasteful number, since it uses less digits than its factorization.

13201230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13201230331 its reverse (13303210231), we get a palindrome (26504440562).

The spelling of 13201230331 in words is "thirteen billion, two hundred one million, two hundred thirty thousand, three hundred thirty-one".