2031252111 has 24 divisors (see below), whose sum is σ = 3393586560. Its totient is φ = 1146728016.

The previous prime is 2031252109. The next prime is 2031252127. The reversal of 2031252111 is 1112521302.

2031252111 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2031252111 - 2¹ = 2031252109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031252161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189001 + ... + 199458.

It is an arithmetic number, because the mean of its divisors is an integer number (141399440).

Almost surely, 2^2031252111 is an apocalyptic number.

2031252111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2031252111 is a deficient number, since it is larger than the sum of its proper divisors (1362334449).

2031252111 is a wasteful number, since it uses less digits than its factorization.

2031252111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388555 (or 388552 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2031252111 is about 45069.4143627361. The cubic root of 2031252111 is about 1266.4496934991.

Adding to 2031252111 its reverse (1112521302), we get a palindrome (3143773413).

The spelling of 2031252111 in words is "two billion, thirty-one million, two hundred fifty-two thousand, one hundred eleven".