2110531340 has 24 divisors (see below), whose sum is σ = 4433684640. Its totient is φ = 843913728.

The previous prime is 2110531337. The next prime is 2110531349. The reversal of 2110531340 is 431350112.

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

It is not an unprimeable number, because it can be changed into a prime (2110531349) 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, 44444 + ... + 78716.

It is an arithmetic number, because the mean of its divisors is an integer number (184736860).

Almost surely, 2^2110531340 is an apocalyptic number.

2110531340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110531340 is an abundant number, since it is smaller than the sum of its proper divisors (2323153300).

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

2110531340 is a wasteful number, since it uses less digits than its factorization.

2110531340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37361 (or 37359 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2110531340 is about 45940.5195878323. The cubic root of 2110531340 is about 1282.7162654749.

Adding to 2110531340 its reverse (431350112), we get a palindrome (2541881452).

The spelling of 2110531340 in words is "two billion, one hundred ten million, five hundred thirty-one thousand, three hundred forty".