2131310 has 8 divisors (see below), whose sum is σ = 3836376. Its totient is φ = 852520.

The previous prime is 2131291. The next prime is 2131319. The reversal of 2131310 is 131312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2131310² = 9084964632200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131291 and 2131300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131319) 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, 106556 + ... + 106575.

It is an arithmetic number, because the mean of its divisors is an integer number (479547).

2^2131310 is an apocalyptic number.

2131310 is a deficient number, since it is larger than the sum of its proper divisors (1705066).

2131310 is a wasteful number, since it uses less digits than its factorization.

2131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213138.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 2131310 is about 1459.9006815534. The cubic root of 2131310 is about 128.6912070146.

Adding to 2131310 its reverse (131312), we get a palindrome (2262622).

The spelling of 2131310 in words is "two million, one hundred thirty-one thousand, three hundred ten".