2111313340 has 12 divisors (see below), whose sum is σ = 4433758056. Its totient is φ = 844525328.

The previous prime is 2111313319. The next prime is 2111313341. The reversal of 2111313340 is 433131112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111313341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52782814 + ... + 52782853.

It is an arithmetic number, because the mean of its divisors is an integer number (369479838).

Almost surely, 2^2111313340 is an apocalyptic number.

2111313340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111313340 is an abundant number, since it is smaller than the sum of its proper divisors (2322444716).

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

2111313340 is a wasteful number, since it uses less digits than its factorization.

2111313340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105565676 (or 105565674 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2111313340 is about 45949.0298047739. The cubic root of 2111313340 is about 1282.8746711234.

Adding to 2111313340 its reverse (433131112), we get a palindrome (2544444452).

It can be divided in two parts, 21113 and 13340, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 2111313340 in words is "two billion, one hundred eleven million, three hundred thirteen thousand, three hundred forty".