2031210243 has 32 divisors (see below), whose sum is σ = 3052339200. Its totient is φ = 1334824128.

The previous prime is 2031210217. The next prime is 2031210271. The reversal of 2031210243 is 3420121302.

It is not a de Polignac number, because 2031210243 - 2¹² = 2031206147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031210283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 919246 + ... + 921452.

It is an arithmetic number, because the mean of its divisors is an integer number (95385600).

Almost surely, 2^2031210243 is an apocalyptic number.

2031210243 is a deficient number, since it is larger than the sum of its proper divisors (1021128957).

2031210243 is a wasteful number, since it uses less digits than its factorization.

2031210243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2031210243 is about 45068.9498768276. The cubic root of 2031210243 is about 1266.4409921206.

Adding to 2031210243 its reverse (3420121302), we get a palindrome (5451331545).

The spelling of 2031210243 in words is "two billion, thirty-one million, two hundred ten thousand, two hundred forty-three".