211213312131332 has 72 divisors (see below), whose sum is σ = 427378303113216. Its totient is φ = 89465658516864.

The previous prime is 211213312131293. The next prime is 211213312131373. The reversal of 211213312131332 is 233131213312112.

It is a super-2 number, since 2×211213312131332² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211213312131295 and 211213312131304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245535608 + ... + 246394320.

Almost surely, 2^{211213312131332} is an apocalyptic number.

It is an amenable number.

211213312131332 is an abundant number, since it is smaller than the sum of its proper divisors (216164990981884).

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

211213312131332 is a wasteful number, since it uses less digits than its factorization.

211213312131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859377 (or 859112 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

Adding to 211213312131332 its reverse (233131213312112), we get a palindrome (444344525443444).

The spelling of 211213312131332 in words is "two hundred eleven trillion, two hundred thirteen billion, three hundred twelve million, one hundred thirty-one thousand, three hundred thirty-two".