30712036345 has 4 divisors (see below), whose sum is σ = 36854443620. Its totient is φ = 24569629072.

The previous prime is 30712036291. The next prime is 30712036361. The reversal of 30712036345 is 54363021703.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11409657856 + 19302378489 = 106816^2 + 138933^2 .

It is a cyclic number.

It is not a de Polignac number, because 30712036345 - 2¹⁹ = 30711512057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30712036345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071203630 + ... + 3071203639.

It is an arithmetic number, because the mean of its divisors is an integer number (9213610905).

Almost surely, 2^30712036345 is an apocalyptic number.

It is an amenable number.

30712036345 is a deficient number, since it is larger than the sum of its proper divisors (6142407275).

30712036345 is an equidigital number, since it uses as much as digits as its factorization.

30712036345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142407274.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 30712036345 in words is "thirty billion, seven hundred twelve million, thirty-six thousand, three hundred forty-five".