3112220212131 has 4 divisors (see below), whose sum is σ = 4149626949512. Its totient is φ = 2074813474752.

The previous prime is 3112220212093. The next prime is 3112220212151. The reversal of 3112220212131 is 1312120222113.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3112220212131 - 2¹⁷ = 3112220081059 is a prime.

It is a super-2 number, since 2×3112220212131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3112220212098 and 3112220212107.

It is not an unprimeable number, because it can be changed into a prime (3112220212151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518703368686 + ... + 518703368691.

It is an arithmetic number, because the mean of its divisors is an integer number (1037406737378).

Almost surely, 2^{3112220212131} is an apocalyptic number.

3112220212131 is a deficient number, since it is larger than the sum of its proper divisors (1037406737381).

3112220212131 is a wasteful number, since it uses less digits than its factorization.

3112220212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037406737380.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 3112220212131 its reverse (1312120222113), we get a palindrome (4424340434244).

The spelling of 3112220212131 in words is "three trillion, one hundred twelve billion, two hundred twenty million, two hundred twelve thousand, one hundred thirty-one".