3111531104 has 48 divisors (see below), whose sum is σ = 6913181520. Its totient is φ = 1365557760.

The previous prime is 3111531077. The next prime is 3111531107. The reversal of 3111531104 is 4011351113.

It is a super-2 number, since 2×3111531104² = 19363251622318917632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111531107) 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, 142199 + ... + 162614.

It is an arithmetic number, because the mean of its divisors is an integer number (144024615).

Almost surely, 2^3111531104 is an apocalyptic number.

It is an amenable number.

3111531104 is an abundant number, since it is smaller than the sum of its proper divisors (3801650416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111531104 is a wasteful number, since it uses less digits than its factorization.

3111531104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304863 (or 304855 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 3111531104 is about 55781.0998815907. The cubic root of 3111531104 is about 1459.9054020149.

Adding to 3111531104 its reverse (4011351113), we get a palindrome (7122882217).

Subtracting 3111531104 from its reverse (4011351113), we obtain a square (899820009 = 29997²).

The spelling of 3111531104 in words is "three billion, one hundred eleven million, five hundred thirty-one thousand, one hundred four".