1203203231 has 2 divisors, whose sum is σ = 1203203232. Its totient is φ = 1203203230.

The previous prime is 1203203227. The next prime is 1203203233. The reversal of 1203203231 is 1323023021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203203231 - 2² = 1203203227 is a prime.

It is a super-2 number, since 2×1203203231² = 2895396030177678722, which contains 22 as substring.

Together with 1203203233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203203233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601601615 + 601601616.

It is an arithmetic number, because the mean of its divisors is an integer number (601601616).

Almost surely, 2^1203203231 is an apocalyptic number.

1203203231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203203231 is an equidigital number, since it uses as much as digits as its factorization.

1203203231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1203203231 is about 34687.2199952663. The cubic root of 1203203231 is about 1063.6032682311.

Adding to 1203203231 its reverse (1323023021), we get a palindrome (2526226252).

The spelling of 1203203231 in words is "one billion, two hundred three million, two hundred three thousand, two hundred thirty-one".