312003113 has 4 divisors (see below), whose sum is σ = 313154688. Its totient is φ = 310851540.

The previous prime is 312003079. The next prime is 312003143. The reversal of 312003113 is 311300213.

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 312003113 - 2⁶ = 312003049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312003143) 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, 575381 + ... + 575922.

It is an arithmetic number, because the mean of its divisors is an integer number (78288672).

Almost surely, 2^312003113 is an apocalyptic number.

It is an amenable number.

312003113 is a deficient number, since it is larger than the sum of its proper divisors (1151575).

312003113 is a wasteful number, since it uses less digits than its factorization.

312003113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151574.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 312003113 is about 17663.6098518961. The cubic root of 312003113 is about 678.2445443306.

Adding to 312003113 its reverse (311300213), we get a palindrome (623303326).

The spelling of 312003113 in words is "three hundred twelve million, three thousand, one hundred thirteen".