213113224232442 has 24 divisors (see below), whose sum is σ = 486047704390560. Its totient is φ = 67298912915400.

The previous prime is 213113224232401. The next prime is 213113224232479. The reversal of 213113224232442 is 244232422311312.

213113224232442 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 1 + 322 + 4 + 2 + 324 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 213113224232397 and 213113224232406.

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, 311569040934 + ... + 311569041617.

It is an arithmetic number, because the mean of its divisors is an integer number (20251987682940).

Almost surely, 2^{213113224232442} is an apocalyptic number.

213113224232442 is an abundant number, since it is smaller than the sum of its proper divisors (272934480158118).

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

213113224232442 is a wasteful number, since it uses less digits than its factorization.

213113224232442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623138082578 (or 623138082575 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 213113224232442 its reverse (244232422311312), we get a palindrome (457345646543754).

The spelling of 213113224232442 in words is "two hundred thirteen trillion, one hundred thirteen billion, two hundred twenty-four million, two hundred thirty-two thousand, four hundred forty-two".