7312085130 has 32 divisors (see below), whose sum is σ = 20056005504. Its totient is φ = 1671333696.

The previous prime is 7312085117. The next prime is 7312085149. The reversal of 7312085130 is 315802137.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17409517 + ... + 17409936.

It is an arithmetic number, because the mean of its divisors is an integer number (626750172).

Almost surely, 2^7312085130 is an apocalyptic number.

7312085130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7312085130 is an abundant number, since it is smaller than the sum of its proper divisors (12743920374).

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

7312085130 is a wasteful number, since it uses less digits than its factorization.

7312085130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34819470.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 7312085130 is about 85510.7310809585. The cubic root of 7312085130 is about 1940.9473116418.

Adding to 7312085130 its reverse (315802137), we get a palindrome (7627887267).

The spelling of 7312085130 in words is "seven billion, three hundred twelve million, eighty-five thousand, one hundred thirty".