2003131112 has 16 divisors (see below), whose sum is σ = 3789110340. Its totient is φ = 992701696.

The previous prime is 2003131103. The next prime is 2003131121. The reversal of 2003131112 is 2111313002.

It is an interprime number because it is at equal distance from previous prime (2003131103) and next prime (2003131121).

It can be written as a sum of positive squares in 2 ways, for example, as 1803361156 + 199769956 = 42466^2 + 14134^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107023 + ... + 1108830.

Almost surely, 2^2003131112 is an apocalyptic number.

It is an amenable number.

2003131112 is a deficient number, since it is larger than the sum of its proper divisors (1785979228).

2003131112 is a wasteful number, since it uses less digits than its factorization.

2003131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215972 (or 2215968 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2003131112 is about 44756.3527557821. The cubic root of 2003131112 is about 1260.5781993990.

Adding to 2003131112 its reverse (2111313002), we get a palindrome (4114444114).

The spelling of 2003131112 in words is "two billion, three million, one hundred thirty-one thousand, one hundred twelve".