1312332303 has 16 divisors (see below), whose sum is σ = 1769644800. Its totient is φ = 864973056.

The previous prime is 1312332277. The next prime is 1312332313. The reversal of 1312332303 is 3032332131.

It is not a de Polignac number, because 1312332303 - 2⁵ = 1312332271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312332303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312332313) 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, 396148 + ... + 399446.

It is an arithmetic number, because the mean of its divisors is an integer number (110602800).

Almost surely, 2^1312332303 is an apocalyptic number.

1312332303 is a deficient number, since it is larger than the sum of its proper divisors (457312497).

1312332303 is a wasteful number, since it uses less digits than its factorization.

1312332303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1312332303 is about 36226.1273530583. The cubic root of 1312332303 is about 1094.8331523686.

Adding to 1312332303 its reverse (3032332131), we get a palindrome (4344664434).

The spelling of 1312332303 in words is "one billion, three hundred twelve million, three hundred thirty-two thousand, three hundred three".