3111223011 has 16 divisors (see below), whose sum is σ = 4506938016. Its totient is φ = 1897652736.

The previous prime is 3111222991. The next prime is 3111223021. The reversal of 3111223011 is 1103221113.

It is a happy number.

It is not a de Polignac number, because 3111223011 - 2¹⁴ = 3111206627 is a prime.

It is a super-2 number, since 2×3111223011² = 19359417248351812242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3111223021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348580 + ... + 357393.

It is an arithmetic number, because the mean of its divisors is an integer number (281683626).

Almost surely, 2^3111223011 is an apocalyptic number.

3111223011 is a deficient number, since it is larger than the sum of its proper divisors (1395715005).

3111223011 is a wasteful number, since it uses less digits than its factorization.

3111223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706102.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3111223011 is about 55778.3381878664. The cubic root of 3111223011 is about 1459.8572155042.

Adding to 3111223011 its reverse (1103221113), we get a palindrome (4214444124).

The spelling of 3111223011 in words is "three billion, one hundred eleven million, two hundred twenty-three thousand, eleven".