3111243340 has 12 divisors (see below), whose sum is σ = 6533611056. Its totient is φ = 1244497328.

The previous prime is 3111243313. The next prime is 3111243347. The reversal of 3111243340 is 433421113.

It is not an unprimeable number, because it can be changed into a prime (3111243347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77781064 + ... + 77781103.

It is an arithmetic number, because the mean of its divisors is an integer number (544467588).

Almost surely, 2^3111243340 is an apocalyptic number.

It is an amenable number.

3111243340 is an abundant number, since it is smaller than the sum of its proper divisors (3422367716).

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

3111243340 is a wasteful number, since it uses less digits than its factorization.

3111243340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155562176 (or 155562174 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3111243340 is about 55778.5204178096. The cubic root of 3111243340 is about 1459.8603951083.

Adding to 3111243340 its reverse (433421113), we get a palindrome (3544664453).

The spelling of 3111243340 in words is "three billion, one hundred eleven million, two hundred forty-three thousand, three hundred forty".