313103133 has 24 divisors (see below), whose sum is σ = 520951808. Its totient is φ = 177502752.

The previous prime is 313103051. The next prime is 313103137. The reversal of 313103133 is 331301313.

It is not a de Polignac number, because 313103133 - 2¹⁴ = 313086749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313103137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11566 + ... + 27567.

Almost surely, 2^313103133 is an apocalyptic number.

It is an amenable number.

313103133 is a deficient number, since it is larger than the sum of its proper divisors (207848675).

313103133 is a wasteful number, since it uses less digits than its factorization.

313103133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39273 (or 39270 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 313103133 is about 17694.7204838053. The cubic root of 313103133 is about 679.0406982069.

Adding to 313103133 its reverse (331301313), we get a palindrome (644404446).

It can be divided in two parts, 313103 and 133, that added together give a triangular number (313236 = T₇₉₁).

The spelling of 313103133 in words is "three hundred thirteen million, one hundred three thousand, one hundred thirty-three".