2011012344 has 48 divisors (see below), whose sum is σ = 5941629720. Its totient is φ = 609397440.

The previous prime is 2011012327. The next prime is 2011012349. The reversal of 2011012344 is 4432101102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011012349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1268787 + ... + 1270370.

Almost surely, 2^2011012344 is an apocalyptic number.

2011012344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2011012344 is an abundant number, since it is smaller than the sum of its proper divisors (3930617376).

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

2011012344 is a wasteful number, since it uses less digits than its factorization.

2011012344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539180 (or 2539173 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2011012344 is about 44844.3122814923. The cubic root of 2011012344 is about 1262.2292659219.

Adding to 2011012344 its reverse (4432101102), we get a palindrome (6443113446).

The spelling of 2011012344 in words is "two billion, eleven million, twelve thousand, three hundred forty-four".