3011312140 has 24 divisors (see below), whose sum is σ = 6379722720. Its totient is φ = 1193864448.

The previous prime is 3011312089. The next prime is 3011312149. The reversal of 3011312140 is 412131103.

It is a super-2 number, since 2×3011312140² = 18136001609022759200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3011312149) 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, 663960 + ... + 668479.

It is an arithmetic number, because the mean of its divisors is an integer number (265821780).

Almost surely, 2^3011312140 is an apocalyptic number.

It is an amenable number.

3011312140 is an abundant number, since it is smaller than the sum of its proper divisors (3368410580).

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

3011312140 is a wasteful number, since it uses less digits than its factorization.

3011312140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332561 (or 1332559 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3011312140 is about 54875.4238252426. The cubic root of 3011312140 is about 1444.0600664849.

Adding to 3011312140 its reverse (412131103), we get a palindrome (3423443243).

The spelling of 3011312140 in words is "three billion, eleven million, three hundred twelve thousand, one hundred forty".