2213013231 has 40 divisors (see below), whose sum is σ = 3883827024. Its totient is φ = 1238042880.

The previous prime is 2213013223. The next prime is 2213013247. The reversal of 2213013231 is 1323103122.

It is not a de Polignac number, because 2213013231 - 2³ = 2213013223 is a prime.

It is a super-2 number, since 2×2213013231² = 9794855121162118722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213013211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 83946 + ... + 107111.

Almost surely, 2^2213013231 is an apocalyptic number.

2213013231 is a deficient number, since it is larger than the sum of its proper divisors (1670813793).

2213013231 is a wasteful number, since it uses less digits than its factorization.

2213013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191093 (or 191084 counting only the distinct ones).

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

The square root of 2213013231 is about 47042.6745732000. The cubic root of 2213013231 is about 1303.1507855360.

Adding to 2213013231 its reverse (1323103122), we get a palindrome (3536116353).

The spelling of 2213013231 in words is "two billion, two hundred thirteen million, thirteen thousand, two hundred thirty-one".