1203103231 has 16 divisors (see below), whose sum is σ = 1324781568. Its totient is φ = 1083527200.

The previous prime is 1203103229. The next prime is 1203103247. The reversal of 1203103231 is 1323013021.

It is a cyclic number.

It is not a de Polignac number, because 1203103231 - 2¹ = 1203103229 is a prime.

It is a super-2 number, since 2×1203103231² = 2894914768885278722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203103201) 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, 568866 + ... + 570976.

It is an arithmetic number, because the mean of its divisors is an integer number (82798848).

Almost surely, 2^1203103231 is an apocalyptic number.

1203103231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1203103231 is a deficient number, since it is larger than the sum of its proper divisors (121678337).

1203103231 is a wasteful number, since it uses less digits than its factorization.

1203103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1203103231 is about 34685.7785122375. The cubic root of 1203103231 is about 1063.5738015345.

Adding to 1203103231 its reverse (1323013021), we get a palindrome (2526116252).

The spelling of 1203103231 in words is "one billion, two hundred three million, one hundred three thousand, two hundred thirty-one".