231422132345 has 8 divisors (see below), whose sum is σ = 278131840776. Its totient is φ = 184854184576.

The previous prime is 231422132317. The next prime is 231422132393. The reversal of 231422132345 is 543231224132.

231422132345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5100245056 + 226321887289 = 71416^2 + 475733^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231422132345 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35436572 + ... + 35443101.

It is an arithmetic number, because the mean of its divisors is an integer number (34766480097).

Almost surely, 2^231422132345 is an apocalyptic number.

It is an amenable number.

231422132345 is a deficient number, since it is larger than the sum of its proper divisors (46709708431).

231422132345 is an equidigital number, since it uses as much as digits as its factorization.

231422132345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70880331.

The product of its digits is 34560, while the sum is 32.

Adding to 231422132345 its reverse (543231224132), we get a palindrome (774653356477).

The spelling of 231422132345 in words is "two hundred thirty-one billion, four hundred twenty-two million, one hundred thirty-two thousand, three hundred forty-five".