1231032303 has 8 divisors (see below), whose sum is σ = 1823751600. Its totient is φ = 820688184.

The previous prime is 1231032263. The next prime is 1231032311. The reversal of 1231032303 is 3032301321.

It is not a de Polignac number, because 1231032303 - 2¹⁰ = 1231031279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231032343) 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, 22796868 + ... + 22796921.

It is an arithmetic number, because the mean of its divisors is an integer number (227968950).

Almost surely, 2^1231032303 is an apocalyptic number.

1231032303 is a deficient number, since it is larger than the sum of its proper divisors (592719297).

1231032303 is an equidigital number, since it uses as much as digits as its factorization.

1231032303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45593798 (or 45593792 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1231032303 is about 35086.0699281068. The cubic root of 1231032303 is about 1071.7409289741.

Adding to 1231032303 its reverse (3032301321), we get a palindrome (4263333624).

The spelling of 1231032303 in words is "one billion, two hundred thirty-one million, thirty-two thousand, three hundred three".