2113031003 has 4 divisors (see below), whose sum is σ = 2116745160. Its totient is φ = 2109316848.

The previous prime is 2113030979. The next prime is 2113031017. The reversal of 2113031003 is 3001303112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2113031003 - 2⁶ = 2113030939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113031023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856225 + ... + 1857362.

It is an arithmetic number, because the mean of its divisors is an integer number (529186290).

Almost surely, 2^2113031003 is an apocalyptic number.

2113031003 is a deficient number, since it is larger than the sum of its proper divisors (3714157).

2113031003 is an equidigital number, since it uses as much as digits as its factorization.

2113031003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714156.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2113031003 is about 45967.7169652790. The cubic root of 2113031003 is about 1283.2224718687. Note that the first 3 decimals are identical.

Adding to 2113031003 its reverse (3001303112), we get a palindrome (5114334115).

The spelling of 2113031003 in words is "two billion, one hundred thirteen million, thirty-one thousand, three".