1231000302303 has 32 divisors (see below), whose sum is σ = 1833204035520. Its totient is φ = 816393029760.

The previous prime is 1231000302283. The next prime is 1231000302307. The reversal of 1231000302303 is 3032030001321.

It is not a de Polignac number, because 1231000302303 - 2⁸ = 1231000302047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231000302307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72313933 + ... + 72330953.

It is an arithmetic number, because the mean of its divisors is an integer number (57287626110).

Almost surely, 2^{1231000302303} is an apocalyptic number.

1231000302303 is a deficient number, since it is larger than the sum of its proper divisors (602203733217).

1231000302303 is a wasteful number, since it uses less digits than its factorization.

1231000302303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30824 (or 30818 counting only the distinct ones).

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

Adding to 1231000302303 its reverse (3032030001321), we get a palindrome (4263030303624).

The spelling of 1231000302303 in words is "one trillion, two hundred thirty-one billion, three hundred two thousand, three hundred three".