1316653203 has 16 divisors (see below), whose sum is σ = 1849593600. Its totient is φ = 830823840.

The previous prime is 1316653199. The next prime is 1316653207. The reversal of 1316653203 is 3023566131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1316653199) and next prime (1316653207).

It is not a de Polignac number, because 1316653203 - 2² = 1316653199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316653207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57538 + ... + 77096.

It is an arithmetic number, because the mean of its divisors is an integer number (115599600).

Almost surely, 2^1316653203 is an apocalyptic number.

1316653203 is a deficient number, since it is larger than the sum of its proper divisors (532940397).

1316653203 is a wasteful number, since it uses less digits than its factorization.

1316653203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20762.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 1316653203 is about 36285.7162393138. The cubic root of 1316653203 is about 1096.0334281611.

The spelling of 1316653203 in words is "one billion, three hundred sixteen million, six hundred fifty-three thousand, two hundred three".