340042340231 has 8 divisors (see below), whose sum is σ = 383746842000. Its totient is φ = 298469765440.

The previous prime is 340042340213. The next prime is 340042340233. The reversal of 340042340231 is 132043240043.

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

It is not a de Polignac number, because 340042340231 - 2¹⁸ = 340042078087 is a prime.

It is a super-2 number, since 2×340042340231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340042340231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340042340233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532981406 + ... + 532982043.

It is an arithmetic number, because the mean of its divisors is an integer number (47968355250).

Almost surely, 2^340042340231 is an apocalyptic number.

340042340231 is a deficient number, since it is larger than the sum of its proper divisors (43704501769).

340042340231 is a wasteful number, since it uses less digits than its factorization.

340042340231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065963489.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 340042340231 its reverse (132043240043), we get a palindrome (472085580274).

The spelling of 340042340231 in words is "three hundred forty billion, forty-two million, three hundred forty thousand, two hundred thirty-one".