213124353235015 has 16 divisors (see below), whose sum is σ = 259676503182432. Its totient is φ = 167883455735424.

The previous prime is 213124353234913. The next prime is 213124353235019. The reversal of 213124353235015 is 510532353421312.

It is a cyclic number.

It is not a de Polignac number, because 213124353235015 - 2²³ = 213124344846407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213124353235019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134168424 + ... + 135747613.

It is an arithmetic number, because the mean of its divisors is an integer number (16229781448902).

Almost surely, 2^{213124353235015} is an apocalyptic number.

213124353235015 is a deficient number, since it is larger than the sum of its proper divisors (46552149947417).

213124353235015 is a wasteful number, since it uses less digits than its factorization.

213124353235015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269918466.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 213124353235015 in words is "two hundred thirteen trillion, one hundred twenty-four billion, three hundred fifty-three million, two hundred thirty-five thousand, fifteen".