1231030232303 has 4 divisors (see below), whose sum is σ = 1233393054768. Its totient is φ = 1228667409840.

The previous prime is 1231030232293. The next prime is 1231030232329. The reversal of 1231030232303 is 3032320301321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1231030232303 - 2²² = 1231026037999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231030232503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181410451 + ... + 1181411492.

It is an arithmetic number, because the mean of its divisors is an integer number (308348263692).

Almost surely, 2^{1231030232303} is an apocalyptic number.

1231030232303 is a deficient number, since it is larger than the sum of its proper divisors (2362822465).

1231030232303 is an equidigital number, since it uses as much as digits as its factorization.

1231030232303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362822464.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1231030232303 its reverse (3032320301321), we get a palindrome (4263350533624).

The spelling of 1231030232303 in words is "one trillion, two hundred thirty-one billion, thirty million, two hundred thirty-two thousand, three hundred three".