13312331331 has 16 divisors (see below), whose sum is σ = 19118282400. Its totient is φ = 8190858240.

The previous prime is 13312331191. The next prime is 13312331363. The reversal of 13312331331 is 13313321331.

It is not a de Polignac number, because 13312331331 - 2⁹ = 13312330819 is a prime.

It is a super-2 number, since 2×13312331331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13312331531) 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, 246451 + ... + 295571.

It is an arithmetic number, because the mean of its divisors is an integer number (1194892650).

Almost surely, 2^13312331331 is an apocalyptic number.

13312331331 is a deficient number, since it is larger than the sum of its proper divisors (5805951069).

13312331331 is a wasteful number, since it uses less digits than its factorization.

13312331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56086.

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

Adding to 13312331331 its reverse (13313321331), we get a palindrome (26625652662).

The spelling of 13312331331 in words is "thirteen billion, three hundred twelve million, three hundred thirty-one thousand, three hundred thirty-one".