7128313342 has 8 divisors (see below), whose sum is σ = 10693575432. Its totient is φ = 3563788200.

The previous prime is 7128313331. The next prime is 7128313343. The reversal of 7128313342 is 2433138217.

7128313342 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×7128313342² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7128313298 and 7128313307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7128313343) 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, 159384 + ... + 199147.

It is an arithmetic number, because the mean of its divisors is an integer number (1336696929).

Almost surely, 2^7128313342 is an apocalyptic number.

7128313342 is a deficient number, since it is larger than the sum of its proper divisors (3565262090).

7128313342 is a wasteful number, since it uses less digits than its factorization.

7128313342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368474.

The product of its digits is 24192, while the sum is 34.

The square root of 7128313342 is about 84429.3393436192. The cubic root of 7128313342 is about 1924.5487977869.

The spelling of 7128313342 in words is "seven billion, one hundred twenty-eight million, three hundred thirteen thousand, three hundred forty-two".