213002113331 has 4 divisors (see below), whose sum is σ = 243430986672. Its totient is φ = 182573239992.

The previous prime is 213002113319. The next prime is 213002113339. The reversal of 213002113331 is 133311200312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213002113331 - 2¹⁰ = 213002112307 is a prime.

It is a super-2 number, since 2×213002113331² (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 (213002113339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15214436660 + ... + 15214436673.

It is an arithmetic number, because the mean of its divisors is an integer number (60857746668).

Almost surely, 2^213002113331 is an apocalyptic number.

213002113331 is a deficient number, since it is larger than the sum of its proper divisors (30428873341).

213002113331 is an equidigital number, since it uses as much as digits as its factorization.

213002113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30428873340.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213002113331 its reverse (133311200312), we get a palindrome (346313313643).

The spelling of 213002113331 in words is "two hundred thirteen billion, two million, one hundred thirteen thousand, three hundred thirty-one".