111562313 has 4 divisors (see below), whose sum is σ = 118124820. Its totient is φ = 104999808.

The previous prime is 111562309. The next prime is 111562369. The reversal of 111562313 is 313265111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313265111 = 313 ⋅1000847.

It can be written as a sum of positive squares in 2 ways, for example, as 96569929 + 14992384 = 9827^2 + 3872^2 .

It is a cyclic number.

It is not a de Polignac number, because 111562313 - 2² = 111562309 is a prime.

It is a super-2 number, since 2×111562313² = 24892299363819938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111562393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3281228 + ... + 3281261.

It is an arithmetic number, because the mean of its divisors is an integer number (29531205).

Almost surely, 2^111562313 is an apocalyptic number.

It is an amenable number.

111562313 is a deficient number, since it is larger than the sum of its proper divisors (6562507).

111562313 is an equidigital number, since it uses as much as digits as its factorization.

111562313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562506.

The product of its digits is 540, while the sum is 23.

The square root of 111562313 is about 10562.3062349091. The cubic root of 111562313 is about 481.3997236282.

The spelling of 111562313 in words is "one hundred eleven million, five hundred sixty-two thousand, three hundred thirteen".