231303132203 has 24 divisors (see below), whose sum is σ = 274242663936. Its totient is φ = 193383871200.

The previous prime is 231303132113. The next prime is 231303132211. The reversal of 231303132203 is 302231303132.

It is not a de Polignac number, because 231303132203 - 2¹⁶ = 231303066667 is a prime.

It is a super-2 number, since 2×231303132203² (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 (231303132283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274226 + ... + 733352.

It is an arithmetic number, because the mean of its divisors is an integer number (11426777664).

Almost surely, 2^231303132203 is an apocalyptic number.

231303132203 is a deficient number, since it is larger than the sum of its proper divisors (42939531733).

231303132203 is a wasteful number, since it uses less digits than its factorization.

231303132203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459435 (or 459422 counting only the distinct ones).

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

Adding to 231303132203 its reverse (302231303132), we get a palindrome (533534435335).

The spelling of 231303132203 in words is "two hundred thirty-one billion, three hundred three million, one hundred thirty-two thousand, two hundred three".