3011312011340 has 48 divisors (see below), whose sum is σ = 6871313003520. Its totient is φ = 1104318152640.

The previous prime is 3011312011243. The next prime is 3011312011391. The reversal of 3011312011340 is 431102131103.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127802822 + ... + 127826381.

It is an arithmetic number, because the mean of its divisors is an integer number (143152354240).

Almost surely, 2^{3011312011340} is an apocalyptic number.

It is an amenable number.

3011312011340 is an abundant number, since it is smaller than the sum of its proper divisors (3860000992180).

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

3011312011340 is a wasteful number, since it uses less digits than its factorization.

3011312011340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255629262 (or 255629260 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3011312011340 its reverse (431102131103), we get a palindrome (3442414142443).

The spelling of 3011312011340 in words is "three trillion, eleven billion, three hundred twelve million, eleven thousand, three hundred forty".