1313312203 has 8 divisors (see below), whose sum is σ = 1589218272. Its totient is φ = 1059478656.

The previous prime is 1313312201. The next prime is 1313312219. The reversal of 1313312203 is 3022133131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313312203 - 2¹ = 1313312201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313312201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5518000 + ... + 5518237.

It is an arithmetic number, because the mean of its divisors is an integer number (198652284).

Almost surely, 2^1313312203 is an apocalyptic number.

1313312203 is a deficient number, since it is larger than the sum of its proper divisors (275906069).

1313312203 is a wasteful number, since it uses less digits than its factorization.

1313312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11036261.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1313312203 is about 36239.6495981956. The cubic root of 1313312203 is about 1095.1055833915.

Adding to 1313312203 its reverse (3022133131), we get a palindrome (4335445334).

The spelling of 1313312203 in words is "one billion, three hundred thirteen million, three hundred twelve thousand, two hundred three".