340231204013121 has 6 divisors (see below), whose sum is σ = 491445072463410. Its totient is φ = 226820802675408.

The previous prime is 340231204013093. The next prime is 340231204013149. The reversal of 340231204013121 is 121310402132043.

340231204013121 is a `hidden beast` number, since 3 + 4 + 0 + 231 + 2 + 0 + 401 + 3 + 1 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (340231204013093) and next prime (340231204013149).

It can be written as a sum of positive squares in only one way, i.e., 294074996418225 + 46156207594896 = 17148615^2 + 6793836^2 .

It is not a de Polignac number, because 340231204013121 - 2²⁶ = 340231136904257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340231204013521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18901733556276 + ... + 18901733556293.

It is an arithmetic number, because the mean of its divisors is an integer number (81907512077235).

Almost surely, 2^{340231204013121} is an apocalyptic number.

It is an amenable number.

340231204013121 is a deficient number, since it is larger than the sum of its proper divisors (151213868450289).

340231204013121 is a wasteful number, since it uses less digits than its factorization.

340231204013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37803467112575 (or 37803467112572 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 340231204013121 its reverse (121310402132043), we get a palindrome (461541606145164).

The spelling of 340231204013121 in words is "three hundred forty trillion, two hundred thirty-one billion, two hundred four million, thirteen thousand, one hundred twenty-one".