2213131999 has 8 divisors (see below), whose sum is σ = 2387659680. Its totient is φ = 2039216736.

The previous prime is 2213131931. The next prime is 2213132101. The reversal of 2213131999 is 9991313122.

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 2213131999 - 2³¹ = 65648351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213131919) 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, 145579 + ... + 160060.

It is an arithmetic number, because the mean of its divisors is an integer number (298457460).

Almost surely, 2^2213131999 is an apocalyptic number.

2213131999 is a deficient number, since it is larger than the sum of its proper divisors (174527681).

2213131999 is a wasteful number, since it uses less digits than its factorization.

2213131999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306209.

The product of its digits is 26244, while the sum is 40.

The square root of 2213131999 is about 47043.9368994560. The cubic root of 2213131999 is about 1303.1740976190.

The spelling of 2213131999 in words is "two billion, two hundred thirteen million, one hundred thirty-one thousand, nine hundred ninety-nine".