3122111231 has 8 divisors (see below), whose sum is σ = 3189809664. Its totient is φ = 3055086720.

The previous prime is 3122111147. The next prime is 3122111249. The reversal of 3122111231 is 1321112213.

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

It is a cyclic number.

It is not a de Polignac number, because 3122111231 - 2²⁶ = 3055002367 is a prime.

It is a super-2 number, since 2×3122111231² = 19495157077472670722, 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 (3122111281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159110 + ... + 177651.

It is an arithmetic number, because the mean of its divisors is an integer number (398726208).

Almost surely, 2^3122111231 is an apocalyptic number.

3122111231 is a deficient number, since it is larger than the sum of its proper divisors (67698433).

3122111231 is a wasteful number, since it uses less digits than its factorization.

3122111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336961.

The product of its digits is 72, while the sum is 17.

The square root of 3122111231 is about 55875.8555281259. The cubic root of 3122111231 is about 1461.5582335920.

Adding to 3122111231 its reverse (1321112213), we get a palindrome (4443223444).

The spelling of 3122111231 in words is "three billion, one hundred twenty-two million, one hundred eleven thousand, two hundred thirty-one".