212013110331 has 96 divisors (see below), whose sum is σ = 348979700160. Its totient is φ = 122898124800.

The previous prime is 212013110329. The next prime is 212013110333. The reversal of 212013110331 is 133011310212.

212013110331 is a `hidden beast` number, since 2 + 1 + 20 + 1 + 311 + 0 + 331 = 666.

It is an interprime number because it is at equal distance from previous prime (212013110329) and next prime (212013110333).

It is not a de Polignac number, because 212013110331 - 2¹ = 212013110329 is a prime.

It is a super-2 number, since 2×212013110331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212013110333) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59005471 + ... + 59009063.

It is an arithmetic number, because the mean of its divisors is an integer number (3635205210).

Almost surely, 2^212013110331 is an apocalyptic number.

212013110331 is a deficient number, since it is larger than the sum of its proper divisors (136966589829).

212013110331 is a wasteful number, since it uses less digits than its factorization.

212013110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917 (or 3914 counting only the distinct ones).

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

Adding to 212013110331 its reverse (133011310212), we get a palindrome (345024420543).

The spelling of 212013110331 in words is "two hundred twelve billion, thirteen million, one hundred ten thousand, three hundred thirty-one".