213211131030 has 24 divisors (see below), whose sum is σ = 554348940912. Its totient is φ = 56856301584.

The previous prime is 213211130999. The next prime is 213211131041. The reversal of 213211131030 is 30131112312.

213211131030 is a `hidden beast` number, since 2 + 1 + 321 + 1 + 1 + 310 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213211130994 and 213211131012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1184506194 + ... + 1184506373.

It is an arithmetic number, because the mean of its divisors is an integer number (23097872538).

Almost surely, 2^213211131030 is an apocalyptic number.

213211131030 is an abundant number, since it is smaller than the sum of its proper divisors (341137809882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213211131030 is a wasteful number, since it uses less digits than its factorization.

213211131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369012580 (or 2369012577 counting only the distinct ones).

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

Adding to 213211131030 its reverse (30131112312), we get a palindrome (243342243342).

The spelling of 213211131030 in words is "two hundred thirteen billion, two hundred eleven million, one hundred thirty-one thousand, thirty".