312102113 has 4 divisors (see below), whose sum is σ = 328528560. Its totient is φ = 295675668.

The previous prime is 312102023. The next prime is 312102143. The reversal of 312102113 is 311201213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312102113 - 2²⁰ = 311053537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312102143) 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, 8213195 + ... + 8213232.

It is an arithmetic number, because the mean of its divisors is an integer number (82132140).

Almost surely, 2^312102113 is an apocalyptic number.

It is an amenable number.

312102113 is a deficient number, since it is larger than the sum of its proper divisors (16426447).

312102113 is a wasteful number, since it uses less digits than its factorization.

312102113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16426446.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 312102113 is about 17666.4120013092. The cubic root of 312102113 is about 678.3162734325.

Adding to 312102113 its reverse (311201213), we get a palindrome (623303326).

The spelling of 312102113 in words is "three hundred twelve million, one hundred two thousand, one hundred thirteen".