2031320103 has 16 divisors (see below), whose sum is σ = 2738736000. Its totient is φ = 1339143840.

The previous prime is 2031320099. The next prime is 2031320107. The reversal of 2031320103 is 3010231302.

It is an interprime number because it is at equal distance from previous prime (2031320099) and next prime (2031320107).

It is not a de Polignac number, because 2031320103 - 2² = 2031320099 is a prime.

It is a super-2 number, since 2×2031320103² = 8252522721703861218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031320107) 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 15 ways as a sum of consecutive naturals, for example, 86748 + ... + 107646.

It is an arithmetic number, because the mean of its divisors is an integer number (171171000).

Almost surely, 2^2031320103 is an apocalyptic number.

2031320103 is a deficient number, since it is larger than the sum of its proper divisors (707415897).

2031320103 is a wasteful number, since it uses less digits than its factorization.

2031320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21262.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2031320103 is about 45070.1686595469. The cubic root of 2031320103 is about 1266.4638239438.

Adding to 2031320103 its reverse (3010231302), we get a palindrome (5041551405).

The spelling of 2031320103 in words is "two billion, thirty-one million, three hundred twenty thousand, one hundred three".