111214331 has 2 divisors, whose sum is σ = 111214332. Its totient is φ = 111214330.

The previous prime is 111214321. The next prime is 111214339. The reversal of 111214331 is 133412111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111214331 is a prime.

It is a super-2 number, since 2×111214331² = 24737254839555122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111214339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55607165 + 55607166.

It is an arithmetic number, because the mean of its divisors is an integer number (55607166).

Almost surely, 2^111214331 is an apocalyptic number.

111214331 is a deficient number, since it is larger than the sum of its proper divisors (1).

111214331 is an equidigital number, since it uses as much as digits as its factorization.

111214331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 17.

The square root of 111214331 is about 10545.8205465483. The cubic root of 111214331 is about 480.8986795346.

Adding to 111214331 its reverse (133412111), we get a palindrome (244626442).

The spelling of 111214331 in words is "one hundred eleven million, two hundred fourteen thousand, three hundred thirty-one".