2100531223 has 8 divisors (see below), whose sum is σ = 2407046048. Its totient is φ = 1795626144.

The previous prime is 2100531179. The next prime is 2100531233. The reversal of 2100531223 is 3221350012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100531223 - 2⁹ = 2100530711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100531223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100531233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399636 + ... + 404857.

It is an arithmetic number, because the mean of its divisors is an integer number (300880756).

Almost surely, 2^2100531223 is an apocalyptic number.

2100531223 is a deficient number, since it is larger than the sum of its proper divisors (306514825).

2100531223 is an equidigital number, since it uses as much as digits as its factorization.

2100531223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804873.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2100531223 is about 45831.5527011687. The cubic root of 2100531223 is about 1280.6871357418.

Adding to 2100531223 its reverse (3221350012), we get a palindrome (5321881235).

The spelling of 2100531223 in words is "two billion, one hundred million, five hundred thirty-one thousand, two hundred twenty-three".