2131322212332 has 144 divisors (see below), whose sum is σ = 5742873108000. Its totient is φ = 683468679168.

The previous prime is 2131322212321. The next prime is 2131322212343. The reversal of 2131322212332 is 2332122231312.

2131322212332 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 322 + 2 + 1 + 2 + 332 = 666.

It is an interprime number because it is at equal distance from previous prime (2131322212321) and next prime (2131322212343).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2131322212296 and 2131322212305.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13077844 + ... + 13239812.

It is an arithmetic number, because the mean of its divisors is an integer number (39881063250).

Almost surely, 2^{2131322212332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131322212332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2871436554000).

2131322212332 is an abundant number, since it is smaller than the sum of its proper divisors (3611550895668).

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

2131322212332 is a wasteful number, since it uses less digits than its factorization.

2131322212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162145 (or 162100 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 2131322212332 its reverse (2332122231312), we get a palindrome (4463444443644).

The spelling of 2131322212332 in words is "two trillion, one hundred thirty-one billion, three hundred twenty-two million, two hundred twelve thousand, three hundred thirty-two".