2120312321310 has 16 divisors (see below), whose sum is σ = 5088749571216. Its totient is φ = 565416619008.

The previous prime is 2120312321299. The next prime is 2120312321353. The reversal of 2120312321310 is 131232130212.

It is a super-3 number, since 3×2120312321310³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35338538659 + ... + 35338538718.

It is an arithmetic number, because the mean of its divisors is an integer number (318046848201).

Almost surely, 2^{2120312321310} is an apocalyptic number.

2120312321310 is an abundant number, since it is smaller than the sum of its proper divisors (2968437249906).

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

2120312321310 is a wasteful number, since it uses less digits than its factorization.

2120312321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70677077387.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2120312321310 its reverse (131232130212), we get a palindrome (2251544451522).

The spelling of 2120312321310 in words is "two trillion, one hundred twenty billion, three hundred twelve million, three hundred twenty-one thousand, three hundred ten".