313531203 has 8 divisors (see below), whose sum is σ = 418416400. Its totient is φ = 208833408.

The previous prime is 313531157. The next prime is 313531259. The reversal of 313531203 is 302135313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313531203 - 2⁶ = 313531139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313531203.

It is not an unprimeable number, because it can be changed into a prime (313531003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42898 + ... + 49671.

It is an arithmetic number, because the mean of its divisors is an integer number (52302050).

Almost surely, 2^313531203 is an apocalyptic number.

313531203 is a deficient number, since it is larger than the sum of its proper divisors (104885197).

313531203 is a wasteful number, since it uses less digits than its factorization.

313531203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93701.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 313531203 is about 17706.8123331107. The cubic root of 313531203 is about 679.3500154380.

Adding to 313531203 its reverse (302135313), we get a palindrome (615666516).

The spelling of 313531203 in words is "three hundred thirteen million, five hundred thirty-one thousand, two hundred three".