2031345103 has 4 divisors (see below), whose sum is σ = 2086246360. Its totient is φ = 1976443848.

The previous prime is 2031345097. The next prime is 2031345109. The reversal of 2031345103 is 3015431302.

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

It is an interprime number because it is at equal distance from previous prime (2031345097) and next prime (2031345109).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031345103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031345109) 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, 27450573 + ... + 27450646.

It is an arithmetic number, because the mean of its divisors is an integer number (521561590).

Almost surely, 2^2031345103 is an apocalyptic number.

2031345103 is a deficient number, since it is larger than the sum of its proper divisors (54901257).

2031345103 is an equidigital number, since it uses as much as digits as its factorization.

2031345103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54901256.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2031345103 is about 45070.4460040058. The cubic root of 2031345103 is about 1266.4690194922.

Adding to 2031345103 its reverse (3015431302), we get a palindrome (5046776405).

The spelling of 2031345103 in words is "two billion, thirty-one million, three hundred forty-five thousand, one hundred three".