2213120131 has 4 divisors (see below), whose sum is σ = 2223609064. Its totient is φ = 2202631200.

The previous prime is 2213120089. The next prime is 2213120137. The reversal of 2213120131 is 1310213122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310213122 = 2 ⋅655106561.

It is a cyclic number.

It is not a de Polignac number, because 2213120131 - 2⁷ = 2213120003 is a prime.

It is a super-2 number, since 2×2213120131² = 9795801428474914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213120137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5244150 + ... + 5244571.

It is an arithmetic number, because the mean of its divisors is an integer number (555902266).

Almost surely, 2^2213120131 is an apocalyptic number.

2213120131 is a deficient number, since it is larger than the sum of its proper divisors (10488933).

2213120131 is a wasteful number, since it uses less digits than its factorization.

2213120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488932.

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

The square root of 2213120131 is about 47043.8107618845. The cubic root of 2213120131 is about 1303.1717681755.

Adding to 2213120131 its reverse (1310213122), we get a palindrome (3523333253).

The spelling of 2213120131 in words is "two billion, two hundred thirteen million, one hundred twenty thousand, one hundred thirty-one".