240346331045231 has 4 divisors (see below), whose sum is σ = 240572859162264. Its totient is φ = 240119802928200.

The previous prime is 240346331045203. The next prime is 240346331045237. The reversal of 240346331045231 is 132540133643042.

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

It is a cyclic number.

It is not a de Polignac number, because 240346331045231 - 2³⁰ = 240345257303407 is a prime.

It is a super-2 number, since 2×240346331045231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240346331045237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113264056925 + ... + 113264059046.

It is an arithmetic number, because the mean of its divisors is an integer number (60143214790566).

Almost surely, 2^{240346331045231} is an apocalyptic number.

240346331045231 is a deficient number, since it is larger than the sum of its proper divisors (226528117033).

240346331045231 is a wasteful number, since it uses less digits than its factorization.

240346331045231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226528117032.

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 240346331045231 its reverse (132540133643042), we get a palindrome (372886464688273).

The spelling of 240346331045231 in words is "two hundred forty trillion, three hundred forty-six billion, three hundred thirty-one million, forty-five thousand, two hundred thirty-one".