312104103 has 4 divisors (see below), whose sum is σ = 416138808. Its totient is φ = 208069400.

The previous prime is 312104101. The next prime is 312104197. The reversal of 312104103 is 301401213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312104103 - 2¹ = 312104101 is a prime.

It is a super-2 number, since 2×312104103² = 194817942218869218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312104101) 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, 52017348 + ... + 52017353.

It is an arithmetic number, because the mean of its divisors is an integer number (104034702).

Almost surely, 2^312104103 is an apocalyptic number.

312104103 is a deficient number, since it is larger than the sum of its proper divisors (104034705).

312104103 is a wasteful number, since it uses less digits than its factorization.

312104103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104034704.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 312104103 is about 17666.4683227860. The cubic root of 312104103 is about 678.3177151044.

Adding to 312104103 its reverse (301401213), we get a palindrome (613505316).

The spelling of 312104103 in words is "three hundred twelve million, one hundred four thousand, one hundred three".