213010023321 has 32 divisors (see below), whose sum is σ = 332485836800. Its totient is φ = 134408529360.

The previous prime is 213010023319. The next prime is 213010023353. The reversal of 213010023321 is 123320010312.

213010023321 is a `hidden beast` number, since 21 + 301 + 0 + 0 + 23 + 321 = 666.

It is not a de Polignac number, because 213010023321 - 2¹ = 213010023319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213010023294 and 213010023303.

It is not an unprimeable number, because it can be changed into a prime (213010023301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366636 + ... + 748626.

It is an arithmetic number, because the mean of its divisors is an integer number (10390182400).

Almost surely, 2^213010023321 is an apocalyptic number.

It is an amenable number.

213010023321 is a deficient number, since it is larger than the sum of its proper divisors (119475813479).

213010023321 is a wasteful number, since it uses less digits than its factorization.

213010023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383106 (or 383100 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213010023321 its reverse (123320010312), we get a palindrome (336330033633).

The spelling of 213010023321 in words is "two hundred thirteen billion, ten million, twenty-three thousand, three hundred twenty-one".