312500130345 has 48 divisors (see below), whose sum is σ = 583598647632. Its totient is φ = 153776309760.

The previous prime is 312500130343. The next prime is 312500130373. The reversal of 312500130345 is 543031005213.

312500130345 is a `hidden beast` number, since 312 + 5 + 0 + 0 + 1 + 3 + 0 + 345 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 23844301056 + 288655829289 = 154416^2 + 537267^2 .

It is not a de Polignac number, because 312500130345 - 2¹ = 312500130343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312500130343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1179027 + ... + 1419543.

It is an arithmetic number, because the mean of its divisors is an integer number (12158305159).

Almost surely, 2^312500130345 is an apocalyptic number.

It is an amenable number.

312500130345 is a deficient number, since it is larger than the sum of its proper divisors (271098517287).

312500130345 is a wasteful number, since it uses less digits than its factorization.

312500130345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242762 (or 242759 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 312500130345 its reverse (543031005213), we get a palindrome (855531135558).

The spelling of 312500130345 in words is "three hundred twelve billion, five hundred million, one hundred thirty thousand, three hundred forty-five".