2213101231 has 8 divisors (see below), whose sum is σ = 2459845584. Its totient is φ = 1973949120.

The previous prime is 2213101183. The next prime is 2213101277. The reversal of 2213101231 is 1321013122.

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

It is not a de Polignac number, because 2213101231 - 2⁷ = 2213101103 is a prime.

It is a super-2 number, since 2×2213101231² = 9795634117307430722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213101291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897446 + ... + 1898611.

It is an arithmetic number, because the mean of its divisors is an integer number (307480698).

Almost surely, 2^2213101231 is an apocalyptic number.

2213101231 is a deficient number, since it is larger than the sum of its proper divisors (246744353).

2213101231 is a wasteful number, since it uses less digits than its factorization.

2213101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796121.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2213101231 is about 47043.6098848717. The cubic root of 2213101231 is about 1303.1680584783.

Adding to 2213101231 its reverse (1321013122), we get a palindrome (3534114353).

The spelling of 2213101231 in words is "two billion, two hundred thirteen million, one hundred one thousand, two hundred thirty-one".