111442000331 has 2 divisors, whose sum is σ = 111442000332. Its totient is φ = 111442000330.

The previous prime is 111442000213. The next prime is 111442000343. The reversal of 111442000331 is 133000244111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111442000331 - 2¹⁰ = 111441999307 is a prime.

It is a super-2 number, since 2×111442000331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111442000391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55721000165 + 55721000166.

It is an arithmetic number, because the mean of its divisors is an integer number (55721000166).

Almost surely, 2^111442000331 is an apocalyptic number.

111442000331 is a deficient number, since it is larger than the sum of its proper divisors (1).

111442000331 is an equidigital number, since it uses as much as digits as its factorization.

111442000331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111442000331 its reverse (133000244111), we get a palindrome (244442244442).

The spelling of 111442000331 in words is "one hundred eleven billion, four hundred forty-two million, three hundred thirty-one", and thus it is an aban number.