13111203331 has 8 divisors (see below), whose sum is σ = 13394050560. Its totient is φ = 12828518088.

The previous prime is 13111203323. The next prime is 13111203341. The reversal of 13111203331 is 13330211131.

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 13111203331 - 2³ = 13111203323 is a prime.

It is a super-2 number, since 2×13111203331² (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 = 13111203299 and 13111203308.

It is not an unprimeable number, because it can be changed into a prime (13111203341) 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, 130860 + ... + 208198.

It is an arithmetic number, because the mean of its divisors is an integer number (1674256320).

Almost surely, 2^13111203331 is an apocalyptic number.

13111203331 is a deficient number, since it is larger than the sum of its proper divisors (282847229).

13111203331 is an equidigital number, since it uses as much as digits as its factorization.

13111203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80993.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13111203331 its reverse (13330211131), we get a palindrome (26441414462).

The spelling of 13111203331 in words is "thirteen billion, one hundred eleven million, two hundred three thousand, three hundred thirty-one".