2213131302 has 32 divisors (see below), whose sum is σ = 4920739200. Its totient is φ = 737310024.

The previous prime is 2213131243. The next prime is 2213131309. The reversal of 2213131302 is 2031313122.

2213131302 is a `hidden beast` number, since 221 + 313 + 130 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213131309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99349 + ... + 119567.

It is an arithmetic number, because the mean of its divisors is an integer number (153773100).

Almost surely, 2^2213131302 is an apocalyptic number.

2213131302 is an abundant number, since it is smaller than the sum of its proper divisors (2707607898).

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

2213131302 is a wasteful number, since it uses less digits than its factorization.

2213131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22257 (or 22251 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2213131302 is about 47043.9294914870. The cubic root of 2213131302 is about 1303.1739608125.

Adding to 2213131302 its reverse (2031313122), we get a palindrome (4244444424).

The spelling of 2213131302 in words is "two billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred two".