313233203 has 2 divisors, whose sum is σ = 313233204. Its totient is φ = 313233202.

The previous prime is 313233187. The next prime is 313233223. The reversal of 313233203 is 302332313.

It is an a-pointer prime, because the next prime (313233223) can be obtained adding 313233203 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313233203 - 2⁴ = 313233187 is a prime.

It is not a weakly prime, because it can be changed into another prime (313233223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156616601 + 156616602.

It is an arithmetic number, because the mean of its divisors is an integer number (156616602).

Almost surely, 2^313233203 is an apocalyptic number.

313233203 is a deficient number, since it is larger than the sum of its proper divisors (1).

313233203 is an equidigital number, since it uses as much as digits as its factorization.

313233203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 313233203 is about 17698.3954922473. The cubic root of 313233203 is about 679.1347147217.

Adding to 313233203 its reverse (302332313), we get a palindrome (615565516).

The spelling of 313233203 in words is "three hundred thirteen million, two hundred thirty-three thousand, two hundred three".