306312005045 has 8 divisors (see below), whose sum is σ = 367588683960. Its totient is φ = 245040085440.

The previous prime is 306312005039. The next prime is 306312005123. The reversal of 306312005045 is 540500213603.

It can be written as a sum of positive squares in 4 ways, for example, as 5347850641 + 300964154404 = 73129^2 + 548602^2 .

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

It is not a de Polignac number, because 306312005045 - 2¹⁰ = 306312004021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 306312004999 and 306312005017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046666 + ... + 1306955.

It is an arithmetic number, because the mean of its divisors is an integer number (45948585495).

Almost surely, 2^306312005045 is an apocalyptic number.

It is an amenable number.

306312005045 is a deficient number, since it is larger than the sum of its proper divisors (61276678915).

306312005045 is a wasteful number, since it uses less digits than its factorization.

306312005045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379655.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 306312005045 its reverse (540500213603), we get a palindrome (846812218648).

The spelling of 306312005045 in words is "three hundred six billion, three hundred twelve million, five thousand, forty-five".