2003120231 has 32 divisors (see below), whose sum is σ = 2395008000. Its totient is φ = 1639814400.

The previous prime is 2003120221. The next prime is 2003120233. The reversal of 2003120231 is 1320213002.

It is a happy number.

It is not a de Polignac number, because 2003120231 - 2²² = 1998925927 is a prime.

It is a super-2 number, since 2×2003120231² = 8024981319682986722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003120233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4014020 + ... + 4014518.

It is an arithmetic number, because the mean of its divisors is an integer number (74844000).

Almost surely, 2^2003120231 is an apocalyptic number.

2003120231 is a deficient number, since it is larger than the sum of its proper divisors (391887769).

2003120231 is a wasteful number, since it uses less digits than its factorization.

2003120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815.

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

The square root of 2003120231 is about 44756.2311974545. The cubic root of 2003120231 is about 1260.5759169097.

Adding to 2003120231 its reverse (1320213002), we get a palindrome (3323333233).

The spelling of 2003120231 in words is "two billion, three million, one hundred twenty thousand, two hundred thirty-one".