7120716331 has 4 divisors (see below), whose sum is σ = 7121621872. Its totient is φ = 7119810792.

The previous prime is 7120716319. The next prime is 7120716401. The reversal of 7120716331 is 1336170217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7120716331 - 2¹¹ = 7120714283 is a prime.

It is a super-2 number, since 2×7120716331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7120716293 and 7120716302.

It is not an unprimeable number, because it can be changed into a prime (7120716311) 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, 440871 + ... + 456736.

It is an arithmetic number, because the mean of its divisors is an integer number (1780405468).

Almost surely, 2^7120716331 is an apocalyptic number.

7120716331 is a deficient number, since it is larger than the sum of its proper divisors (905541).

7120716331 is an equidigital number, since it uses as much as digits as its factorization.

7120716331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905540.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 7120716331 is about 84384.3370004173. The cubic root of 7120716331 is about 1923.8648578039.

Adding to 7120716331 its reverse (1336170217), we get a palindrome (8456886548).

The spelling of 7120716331 in words is "seven billion, one hundred twenty million, seven hundred sixteen thousand, three hundred thirty-one".