231212330203 has 8 divisors (see below), whose sum is σ = 237436807680. Its totient is φ = 225070296360.

The previous prime is 231212330197. The next prime is 231212330257. The reversal of 231212330203 is 302033212132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231212330203 is a prime.

It is a super-2 number, since 2×231212330203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231212330803) 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, 20605225 + ... + 20616442.

It is an arithmetic number, because the mean of its divisors is an integer number (29679600960).

Almost surely, 2^231212330203 is an apocalyptic number.

231212330203 is a deficient number, since it is larger than the sum of its proper divisors (6224477477).

231212330203 is an equidigital number, since it uses as much as digits as its factorization.

231212330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41221817.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231212330203 its reverse (302033212132), we get a palindrome (533245542335).

The spelling of 231212330203 in words is "two hundred thirty-one billion, two hundred twelve million, three hundred thirty thousand, two hundred three".