111231000331213 has 32 divisors (see below), whose sum is σ = 135629427225600. Its totient is φ = 89099274571776.

The previous prime is 111231000331201. The next prime is 111231000331219. The reversal of 111231000331213 is 312133000132111.

It is a de Polignac number, because none of the positive numbers 2^k-111231000331213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111231000331219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370356 + ... + 14919757.

It is an arithmetic number, because the mean of its divisors is an integer number (4238419600800).

Almost surely, 2^{111231000331213} is an apocalyptic number.

It is an amenable number.

111231000331213 is a deficient number, since it is larger than the sum of its proper divisors (24398426894387).

111231000331213 is a wasteful number, since it uses less digits than its factorization.

111231000331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15290881.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 111231000331213 its reverse (312133000132111), we get a palindrome (423364000463324).

The spelling of 111231000331213 in words is "one hundred eleven trillion, two hundred thirty-one billion, three hundred thirty-one thousand, two hundred thirteen".