2031211100 has 18 divisors (see below), whose sum is σ = 4407728304. Its totient is φ = 812484400.

The previous prime is 2031211099. The next prime is 2031211111. The reversal of 2031211100 is 11121302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10155956 + ... + 10156155.

Almost surely, 2^2031211100 is an apocalyptic number.

2031211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031211100 is an abundant number, since it is smaller than the sum of its proper divisors (2376517204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031211100 is a wasteful number, since it uses less digits than its factorization.

2031211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20312125 (or 20312118 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2031211100 is about 45068.9593844810. The cubic root of 2031211100 is about 1266.4411702311.

Adding to 2031211100 its reverse (11121302), we get a palindrome (2042332402).

The spelling of 2031211100 in words is "two billion, thirty-one million, two hundred eleven thousand, one hundred".