231102203 has 2 divisors, whose sum is σ = 231102204. Its totient is φ = 231102202.

The previous prime is 231102173. The next prime is 231102211. The reversal of 231102203 is 302201132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231102203 - 2⁶ = 231102139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231102293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115551101 + 115551102.

It is an arithmetic number, because the mean of its divisors is an integer number (115551102).

Almost surely, 2^231102203 is an apocalyptic number.

231102203 is a deficient number, since it is larger than the sum of its proper divisors (1).

231102203 is an equidigital number, since it uses as much as digits as its factorization.

231102203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 231102203 is about 15202.0460136128. The cubic root of 231102203 is about 613.6697207243.

Adding to 231102203 its reverse (302201132), we get a palindrome (533303335).

The spelling of 231102203 in words is "two hundred thirty-one million, one hundred two thousand, two hundred three".