1316311203 has 8 divisors (see below), whose sum is σ = 1847454400. Its totient is φ = 831354408.

The previous prime is 1316311177. The next prime is 1316311291. The reversal of 1316311203 is 3021136131.

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

It is not a de Polignac number, because 1316311203 - 2⁹ = 1316310691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1316311203.

It is not an unprimeable number, because it can be changed into a prime (1316311303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11546533 + ... + 11546646.

It is an arithmetic number, because the mean of its divisors is an integer number (230931800).

Almost surely, 2^1316311203 is an apocalyptic number.

1316311203 is a deficient number, since it is larger than the sum of its proper divisors (531143197).

1316311203 is a wasteful number, since it uses less digits than its factorization.

1316311203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23093201.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1316311203 is about 36281.0033350788. The cubic root of 1316311203 is about 1095.9385219014.

Adding to 1316311203 its reverse (3021136131), we get a palindrome (4337447334).

The spelling of 1316311203 in words is "one billion, three hundred sixteen million, three hundred eleven thousand, two hundred three".