231334431431344 has 40 divisors (see below), whose sum is σ = 454373695269392. Its totient is φ = 114076866585600.

The previous prime is 231334431431339. The next prime is 231334431431353. The reversal of 231334431431344 is 443134134433132.

231334431431344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231334431431344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17673244 + ... + 27839044.

Almost surely, 2^{231334431431344} is an apocalyptic number.

It is an amenable number.

231334431431344 is a deficient number, since it is larger than the sum of its proper divisors (223039263838048).

231334431431344 is a wasteful number, since it uses less digits than its factorization.

231334431431344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185365 (or 10185359 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 43.

Adding to 231334431431344 its reverse (443134134433132), we get a palindrome (674468565864476).

The spelling of 231334431431344 in words is "two hundred thirty-one trillion, three hundred thirty-four billion, four hundred thirty-one million, four hundred thirty-one thousand, three hundred forty-four".