313113111 has 4 divisors (see below), whose sum is σ = 417484152. Its totient is φ = 208742072.

The previous prime is 313113083. The next prime is 313113121. The reversal of 313113111 is 111311313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111311313 = 3 ⋅37103771.

It is a cyclic number.

It is not a de Polignac number, because 313113111 - 2⁷ = 313112983 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313113121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52185516 + ... + 52185521.

It is an arithmetic number, because the mean of its divisors is an integer number (104371038).

Almost surely, 2^313113111 is an apocalyptic number.

313113111 is a deficient number, since it is larger than the sum of its proper divisors (104371041).

313113111 is a wasteful number, since it uses less digits than its factorization.

313113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104371040.

The product of its digits is 27, while the sum is 15.

The square root of 313113111 is about 17695.0024300648. The cubic root of 313113111 is about 679.0479113744.

Adding to 313113111 its reverse (111311313), we get a palindrome (424424424).

The spelling of 313113111 in words is "three hundred thirteen million, one hundred thirteen thousand, one hundred eleven".