231203231203 has 16 divisors (see below), whose sum is σ = 266883456960. Its totient is φ = 196186320000.

The previous prime is 231203231197. The next prime is 231203231209. The reversal of 231203231203 is 302132302132.

It is an interprime number because it is at equal distance from previous prime (231203231197) and next prime (231203231209).

It is a cyclic number.

It is not a de Polignac number, because 231203231203 - 2²⁹ = 230666360291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231203231209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6983493 + ... + 7016521.

It is an arithmetic number, because the mean of its divisors is an integer number (16680216060).

Almost surely, 2^231203231203 is an apocalyptic number.

231203231203 is a deficient number, since it is larger than the sum of its proper divisors (35680225757).

231203231203 is a wasteful number, since it uses less digits than its factorization.

231203231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43038.

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

Adding to 231203231203 its reverse (302132302132), we get a palindrome (533335533335).

The spelling of 231203231203 in words is "two hundred thirty-one billion, two hundred three million, two hundred thirty-one thousand, two hundred three".