231341434433 has 4 divisors (see below), whose sum is σ = 233030058180. Its totient is φ = 229652810688.

The previous prime is 231341434409. The next prime is 231341434463. The reversal of 231341434433 is 334434143132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187682167729 + 43659266704 = 433223^2 + 208948^2 .

It is a cyclic number.

It is not a de Polignac number, because 231341434433 - 2¹² = 231341430337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231341434393 and 231341434402.

It is not an unprimeable number, because it can be changed into a prime (231341434463) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 844311668 + ... + 844311941.

It is an arithmetic number, because the mean of its divisors is an integer number (58257514545).

Almost surely, 2^231341434433 is an apocalyptic number.

It is an amenable number.

231341434433 is a deficient number, since it is larger than the sum of its proper divisors (1688623747).

231341434433 is a wasteful number, since it uses less digits than its factorization.

231341434433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688623746.

The product of its digits is 124416, while the sum is 35.

Adding to 231341434433 its reverse (334434143132), we get a palindrome (565775577565).

The spelling of 231341434433 in words is "two hundred thirty-one billion, three hundred forty-one million, four hundred thirty-four thousand, four hundred thirty-three".