212433233431 has 8 divisors (see below), whose sum is σ = 214887880064. Its totient is φ = 209986129080.

The previous prime is 212433233387. The next prime is 212433233533. The reversal of 212433233431 is 134332334212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212433233431 - 2¹¹ = 212433231383 is a prime.

It is a super-2 number, since 2×212433233431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212433233393 and 212433233402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212433233731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1828905 + ... + 1941586.

It is an arithmetic number, because the mean of its divisors is an integer number (26860985008).

Almost surely, 2^212433233431 is an apocalyptic number.

212433233431 is a deficient number, since it is larger than the sum of its proper divisors (2454646633).

212433233431 is a wasteful number, since it uses less digits than its factorization.

212433233431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771141.

The product of its digits is 31104, while the sum is 31.

Adding to 212433233431 its reverse (134332334212), we get a palindrome (346765567643).

The spelling of 212433233431 in words is "two hundred twelve billion, four hundred thirty-three million, two hundred thirty-three thousand, four hundred thirty-one".