213060351281 has 8 divisors (see below), whose sum is σ = 227621429280. Its totient is φ = 198834010848.

The previous prime is 213060351199. The next prime is 213060351289. The reversal of 213060351281 is 182153060312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213060351281 is a prime.

It is a super-2 number, since 2×213060351281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213060351289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83683076 + ... + 83685621.

It is an arithmetic number, because the mean of its divisors is an integer number (28452678660).

Almost surely, 2^213060351281 is an apocalyptic number.

It is an amenable number.

213060351281 is a deficient number, since it is larger than the sum of its proper divisors (14561077999).

213060351281 is a wasteful number, since it uses less digits than its factorization.

213060351281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167368783.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 213060351281 in words is "two hundred thirteen billion, sixty million, three hundred fifty-one thousand, two hundred eighty-one".