1203403231 has 2 divisors, whose sum is σ = 1203403232. Its totient is φ = 1203403230.

The previous prime is 1203403219. The next prime is 1203403237. The reversal of 1203403231 is 1323043021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203403231 - 2⁵ = 1203403199 is a prime.

It is a super-2 number, since 2×1203403231² = 2896358672762478722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203403199 and 1203403208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203403237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601701615 + 601701616.

It is an arithmetic number, because the mean of its divisors is an integer number (601701616).

Almost surely, 2^1203403231 is an apocalyptic number.

1203403231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203403231 is an equidigital number, since it uses as much as digits as its factorization.

1203403231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1203403231 is about 34690.1027816292. The cubic root of 1203403231 is about 1063.6621967266.

Adding to 1203403231 its reverse (1323043021), we get a palindrome (2526446252).

The spelling of 1203403231 in words is "one billion, two hundred three million, four hundred three thousand, two hundred thirty-one".