2031163403 has 4 divisors (see below), whose sum is σ = 2138066760. Its totient is φ = 1924260048.

The previous prime is 2031163397. The next prime is 2031163427. The reversal of 2031163403 is 3043611302.

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 2031163403 - 2¹² = 2031159307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031165403) 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, 53451650 + ... + 53451687.

It is an arithmetic number, because the mean of its divisors is an integer number (534516690).

Almost surely, 2^2031163403 is an apocalyptic number.

2031163403 is a deficient number, since it is larger than the sum of its proper divisors (106903357).

2031163403 is a wasteful number, since it uses less digits than its factorization.

2031163403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106903356.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2031163403 is about 45068.4302256025. The cubic root of 2031163403 is about 1266.4312572754.

Adding to 2031163403 its reverse (3043611302), we get a palindrome (5074774705).

The spelling of 2031163403 in words is "two billion, thirty-one million, one hundred sixty-three thousand, four hundred three".