3113213240 has 32 divisors (see below), whose sum is σ = 7032659760. Its totient is φ = 1240320000.

The previous prime is 3113213209. The next prime is 3113213267. The reversal of 3113213240 is 423123113.

It is a super-2 number, since 2×3113213240² = 19384193355422595200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145001 + ... + 165080.

Almost surely, 2^3113213240 is an apocalyptic number.

It is an amenable number.

3113213240 is an abundant number, since it is smaller than the sum of its proper divisors (3919446520).

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

3113213240 is a wasteful number, since it uses less digits than its factorization.

3113213240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310343 (or 310339 counting only the distinct ones).

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

The square root of 3113213240 is about 55796.1758546229. The cubic root of 3113213240 is about 1460.1684361874.

Adding to 3113213240 its reverse (423123113), we get a palindrome (3536336353).

The spelling of 3113213240 in words is "three billion, one hundred thirteen million, two hundred thirteen thousand, two hundred forty".