3122223131 has 4 divisors (see below), whose sum is σ = 3122414064. Its totient is φ = 3122032200.

The previous prime is 3122223121. The next prime is 3122223157. The reversal of 3122223131 is 1313222213.

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

It is a cyclic number.

It is not a de Polignac number, because 3122223131 - 2²² = 3118028827 is a prime.

It is a super-2 number, since 2×3122223131² = 19496554559502886322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122223101) 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, 68375 + ... + 104496.

It is an arithmetic number, because the mean of its divisors is an integer number (780603516).

Almost surely, 2^3122223131 is an apocalyptic number.

3122223131 is a deficient number, since it is larger than the sum of its proper divisors (190933).

3122223131 is a wasteful number, since it uses less digits than its factorization.

3122223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190932.

The product of its digits is 432, while the sum is 20.

The square root of 3122223131 is about 55876.8568461040. The cubic root of 3122223131 is about 1461.5756946838.

Adding to 3122223131 its reverse (1313222213), we get a palindrome (4435445344).

The spelling of 3122223131 in words is "three billion, one hundred twenty-two million, two hundred twenty-three thousand, one hundred thirty-one".