306144235152213 has 16 divisors (see below), whose sum is σ = 408860857654656. Its totient is φ = 203761889029440.

The previous prime is 306144235152209. The next prime is 306144235152263. The reversal of 306144235152213 is 312251532441603.

It is not a de Polignac number, because 306144235152213 - 2² = 306144235152209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306144235152263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342337528 + ... + 343230638.

It is an arithmetic number, because the mean of its divisors is an integer number (25553803603416).

Almost surely, 2^{306144235152213} is an apocalyptic number.

It is an amenable number.

306144235152213 is a deficient number, since it is larger than the sum of its proper divisors (102716622502443).

306144235152213 is a wasteful number, since it uses less digits than its factorization.

306144235152213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080124.

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 306144235152213 its reverse (312251532441603), we get a palindrome (618395767593816).

The spelling of 306144235152213 in words is "three hundred six trillion, one hundred forty-four billion, two hundred thirty-five million, one hundred fifty-two thousand, two hundred thirteen".