1313154203 has 16 divisors (see below), whose sum is σ = 1422489600. Its totient is φ = 1208634240.

The previous prime is 1313154187. The next prime is 1313154229. The reversal of 1313154203 is 3024513131.

It is a cyclic number.

It is not a de Polignac number, because 1313154203 - 2⁴ = 1313154187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313156203) 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, 122483 + ... + 132771.

It is an arithmetic number, because the mean of its divisors is an integer number (88905600).

Almost surely, 2^1313154203 is an apocalyptic number.

1313154203 is a deficient number, since it is larger than the sum of its proper divisors (109335397).

1313154203 is a wasteful number, since it uses less digits than its factorization.

1313154203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1313154203 is about 36237.4695998493. The cubic root of 1313154203 is about 1095.0616655222.

Adding to 1313154203 its reverse (3024513131), we get a palindrome (4337667334).

The spelling of 1313154203 in words is "one billion, three hundred thirteen million, one hundred fifty-four thousand, two hundred three".