213531545151266 has 8 divisors (see below), whose sum is σ = 331342052821020. Its totient is φ = 103084194210928.

The previous prime is 213531545151209. The next prime is 213531545151283. The reversal of 213531545151266 is 662151545135312.

213531545151266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213518872921225 + 12672230041 = 14612285^2 + 112571^2 .

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

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, 1840789182281 + ... + 1840789182396.

Almost surely, 2^{213531545151266} is an apocalyptic number.

213531545151266 is a deficient number, since it is larger than the sum of its proper divisors (117810507669754).

213531545151266 is a wasteful number, since it uses less digits than its factorization.

213531545151266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681578364708.

The product of its digits is 3240000, while the sum is 50.

The spelling of 213531545151266 in words is "two hundred thirteen trillion, five hundred thirty-one billion, five hundred forty-five million, one hundred fifty-one thousand, two hundred sixty-six".