7211312083 has 4 divisors (see below), whose sum is σ = 7213485528. Its totient is φ = 7209138640.

The previous prime is 7211312071. The next prime is 7211312089. The reversal of 7211312083 is 3802131127.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3802131127 = 23 ⋅165310049.

It is a cyclic number.

It is not a de Polignac number, because 7211312083 - 2⁹ = 7211311571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7211312089) 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, 1081738 + ... + 1088383.

It is an arithmetic number, because the mean of its divisors is an integer number (1803371382).

Almost surely, 2^7211312083 is an apocalyptic number.

7211312083 is a deficient number, since it is larger than the sum of its proper divisors (2173445).

7211312083 is a wasteful number, since it uses less digits than its factorization.

7211312083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173444.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 7211312083 is about 84919.4446696397. Note that the first 3 decimals coincide. The cubic root of 7211312083 is about 1931.9895082175.

The spelling of 7211312083 in words is "seven billion, two hundred eleven million, three hundred twelve thousand, eighty-three".