213002111331 has 12 divisors (see below), whose sum is σ = 308049097720. Its totient is φ = 141826308480.

The previous prime is 213002111323. The next prime is 213002111393. The reversal of 213002111331 is 133111200312.

213002111331 is a `hidden beast` number, since 2 + 1 + 300 + 21 + 11 + 331 = 666.

It is not a de Polignac number, because 213002111331 - 2³ = 213002111323 is a prime.

It is a super-2 number, since 2×213002111331² (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 (213002112331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14583886 + ... + 14598483.

Almost surely, 2^213002111331 is an apocalyptic number.

213002111331 is a deficient number, since it is larger than the sum of its proper divisors (95046986389).

213002111331 is a wasteful number, since it uses less digits than its factorization.

213002111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29183186 (or 29183183 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 213002111331 its reverse (133111200312), we get a palindrome (346113311643).

The spelling of 213002111331 in words is "two hundred thirteen billion, two million, one hundred eleven thousand, three hundred thirty-one".