111315329 has 2 divisors, whose sum is σ = 111315330. Its totient is φ = 111315328.

The previous prime is 111315313. The next prime is 111315361. The reversal of 111315329 is 923513111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111091600 + 223729 = 10540^2 + 473^2 .

It is an emirp because it is prime and its reverse (923513111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111315329 - 2⁴ = 111315313 is a prime.

It is a super-2 number, since 2×111315329² = 24782204940756482, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 111315298 and 111315307.

It is not a weakly prime, because it can be changed into another prime (111315829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55657664 + 55657665.

It is an arithmetic number, because the mean of its divisors is an integer number (55657665).

Almost surely, 2^111315329 is an apocalyptic number.

It is an amenable number.

111315329 is a deficient number, since it is larger than the sum of its proper divisors (1).

111315329 is an equidigital number, since it uses as much as digits as its factorization.

111315329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 26.

The square root of 111315329 is about 10550.6079919595. The cubic root of 111315329 is about 481.0442096688.

The spelling of 111315329 in words is "one hundred eleven million, three hundred fifteen thousand, three hundred twenty-nine".