213424131244 has 6 divisors (see below), whose sum is σ = 373492229684. Its totient is φ = 106712065620.

The previous prime is 213424131233. The next prime is 213424131251. The reversal of 213424131244 is 442131424312.

It is a happy number.

It is a super-2 number, since 2×213424131244² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26678016402 + ... + 26678016409.

Almost surely, 2^213424131244 is an apocalyptic number.

It is an amenable number.

213424131244 is a deficient number, since it is larger than the sum of its proper divisors (160068098440).

213424131244 is a wasteful number, since it uses less digits than its factorization.

213424131244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53356032815 (or 53356032813 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 213424131244 its reverse (442131424312), we get a palindrome (655555555556).

The spelling of 213424131244 in words is "two hundred thirteen billion, four hundred twenty-four million, one hundred thirty-one thousand, two hundred forty-four".