306312710140 has 24 divisors (see below), whose sum is σ = 651006775440. Its totient is φ = 121048877568.

The previous prime is 306312710117. The next prime is 306312710147. The reversal of 306312710140 is 41017213603.

It is a junction number, because it is equal to n+sod(n) for n = 306312710099 and 306312710108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306312710147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92261205 + ... + 92264524.

It is an arithmetic number, because the mean of its divisors is an integer number (27125282310).

Almost surely, 2^306312710140 is an apocalyptic number.

It is an amenable number.

306312710140 is an abundant number, since it is smaller than the sum of its proper divisors (344694065300).

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

306312710140 is a wasteful number, since it uses less digits than its factorization.

306312710140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184525821 (or 184525819 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 306312710140 its reverse (41017213603), we get a palindrome (347329923743).

The spelling of 306312710140 in words is "three hundred six billion, three hundred twelve million, seven hundred ten thousand, one hundred forty".