213424131432 has 64 divisors (see below), whose sum is σ = 552060000000. Its totient is φ = 68675652864.

The previous prime is 213424131413. The next prime is 213424131451. The reversal of 213424131432 is 234131424312.

It is an interprime number because it is at equal distance from previous prime (213424131413) and next prime (213424131451).

It is a super-2 number, since 2×213424131432² (a number of 23 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 213424131432.

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 in 15 ways as a sum of consecutive naturals, for example, 4243569 + ... + 4293567.

It is an arithmetic number, because the mean of its divisors is an integer number (8625937500).

Almost surely, 2^213424131432 is an apocalyptic number.

It is an amenable number.

213424131432 is an abundant number, since it is smaller than the sum of its proper divisors (338635868568).

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

213424131432 is a wasteful number, since it uses less digits than its factorization.

213424131432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56170 (or 56166 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 213424131432 its reverse (234131424312), we get a palindrome (447555555744).

The spelling of 213424131432 in words is "two hundred thirteen billion, four hundred twenty-four million, one hundred thirty-one thousand, four hundred thirty-two".