231304403003 has 8 divisors (see below), whose sum is σ = 234828520416. Its totient is φ = 227787683200.

The previous prime is 231304402969. The next prime is 231304403027. The reversal of 231304403003 is 300304403132.

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

It is a cyclic number.

It is not a de Polignac number, because 231304403003 - 2¹² = 231304398907 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 231304403003.

It is not an unprimeable number, because it can be changed into a prime (231304403063) 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, 1786376 + ... + 1911477.

It is an arithmetic number, because the mean of its divisors is an integer number (29353565052).

Almost surely, 2^231304403003 is an apocalyptic number.

231304403003 is a deficient number, since it is larger than the sum of its proper divisors (3524117413).

231304403003 is an equidigital number, since it uses as much as digits as its factorization.

231304403003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698805.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 231304403003 its reverse (300304403132), we get a palindrome (531608806135).

The spelling of 231304403003 in words is "two hundred thirty-one billion, three hundred four million, four hundred three thousand, three".