2102031320 has 16 divisors (see below), whose sum is σ = 4729570560. Its totient is φ = 840812512.

The previous prime is 2102031301. The next prime is 2102031343. The reversal of 2102031320 is 231302012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2102031295 and 2102031304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26275352 + ... + 26275431.

It is an arithmetic number, because the mean of its divisors is an integer number (295598160).

Almost surely, 2^2102031320 is an apocalyptic number.

2102031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102031320 is an abundant number, since it is smaller than the sum of its proper divisors (2627539240).

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

2102031320 is a wasteful number, since it uses less digits than its factorization.

2102031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52550794 (or 52550790 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2102031320 is about 45847.9151107223. The cubic root of 2102031320 is about 1280.9919313032.

Adding to 2102031320 its reverse (231302012), we get a palindrome (2333333332).

The spelling of 2102031320 in words is "two billion, one hundred two million, thirty-one thousand, three hundred twenty".