612343431 has 12 divisors (see below), whose sum is σ = 1010852752. Its totient is φ = 349910496.

The previous prime is 612343429. The next prime is 612343447. The reversal of 612343431 is 134343216.

612343431 is a `hidden beast` number, since 612 + 3 + 4 + 3 + 43 + 1 = 666.

It is not a de Polignac number, because 612343431 - 2¹ = 612343429 is a prime.

It is a super-2 number, since 2×612343431² = 749928954977703522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 612343395 and 612343404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612343411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4859806 + ... + 4859931.

Almost surely, 2^612343431 is an apocalyptic number.

612343431 is a deficient number, since it is larger than the sum of its proper divisors (398509321).

612343431 is a wasteful number, since it uses less digits than its factorization.

612343431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719750 (or 9719747 counting only the distinct ones).

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

The square root of 612343431 is about 24745.5739678836. The cubic root of 612343431 is about 849.1772574156.

Adding to 612343431 its reverse (134343216), we get a palindrome (746686647).

The spelling of 612343431 in words is "six hundred twelve million, three hundred forty-three thousand, four hundred thirty-one".