313041403 has 4 divisors (see below), whose sum is σ = 313097400. Its totient is φ = 312985408.

The previous prime is 313041367. The next prime is 313041413. The reversal of 313041403 is 304140313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313041403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313041413) 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, 18550 + ... + 31147.

It is an arithmetic number, because the mean of its divisors is an integer number (78274350).

Almost surely, 2^313041403 is an apocalyptic number.

313041403 is a deficient number, since it is larger than the sum of its proper divisors (55997).

313041403 is an equidigital number, since it uses as much as digits as its factorization.

313041403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55996.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 313041403 is about 17692.9760922237. The cubic root of 313041403 is about 678.9960697411.

Adding to 313041403 its reverse (304140313), we get a palindrome (617181716).

The spelling of 313041403 in words is "three hundred thirteen million, forty-one thousand, four hundred three".