340421244304231 has 16 divisors (see below), whose sum is σ = 349076290752000. Its totient is φ = 331888535371008.

The previous prime is 340421244304181. The next prime is 340421244304241. The reversal of 340421244304231 is 132403442124043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340421244304231 is a prime.

It is a super-2 number, since 2×340421244304231² (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 (340421244304241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62601706 + ... + 67821943.

It is an arithmetic number, because the mean of its divisors is an integer number (21817268172000).

Almost surely, 2^{340421244304231} is an apocalyptic number.

340421244304231 is a deficient number, since it is larger than the sum of its proper divisors (8655046447769).

340421244304231 is a wasteful number, since it uses less digits than its factorization.

340421244304231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130424118.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 340421244304231 its reverse (132403442124043), we get a palindrome (472824686428274).

The spelling of 340421244304231 in words is "three hundred forty trillion, four hundred twenty-one billion, two hundred forty-four million, three hundred four thousand, two hundred thirty-one".