313203000 has 128 divisors (see below), whose sum is σ = 1066141440. Its totient is φ = 75920000.

The previous prime is 313202999. The next prime is 313203041. The reversal of 313203000 is 302313.

It is a happy number.

It is a super-2 number, since 2×313203000² = 196192238418000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 28255 + ... + 37745.

It is an arithmetic number, because the mean of its divisors is an integer number (8329230).

Almost surely, 2^313203000 is an apocalyptic number.

313203000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533070720).

313203000 is an abundant number, since it is smaller than the sum of its proper divisors (752938440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313203000 is a wasteful number, since it uses less digits than its factorization.

313203000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9526 (or 9512 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 313203000 is about 17697.5422022381. The cubic root of 313203000 is about 679.1128858682.

Adding to 313203000 its reverse (302313), we get a palindrome (313505313).

The spelling of 313203000 in words is "three hundred thirteen million, two hundred three thousand".