31003230203 has 12 divisors (see below), whose sum is σ = 34082452320. Its totient is φ = 28181015280.

The previous prime is 31003230199. The next prime is 31003230241. The reversal of 31003230203 is 30203230013.

It is not a de Polignac number, because 31003230203 - 2² = 31003230199 is a prime.

It is a super-2 number, since 2×31003230203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31003230103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1353401 + ... + 1376117.

It is an arithmetic number, because the mean of its divisors is an integer number (2840204360).

Almost surely, 2^31003230203 is an apocalyptic number.

31003230203 is a deficient number, since it is larger than the sum of its proper divisors (3079222117).

31003230203 is a wasteful number, since it uses less digits than its factorization.

31003230203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34018 (or 34007 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 31003230203 its reverse (30203230013), we get a palindrome (61206460216).

The spelling of 31003230203 in words is "thirty-one billion, three million, two hundred thirty thousand, two hundred three".