340431010305433 has 4 divisors (see below), whose sum is σ = 341917608603940. Its totient is φ = 338944412006928.

The previous prime is 340431010305403. The next prime is 340431010305457. The reversal of 340431010305433 is 334503010134043.

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

It can be written as a sum of positive squares in 2 ways, for example, as 212963003935504 + 127468006369929 = 14593252^2 + 11290173^2 .

It is a cyclic number.

It is not a de Polignac number, because 340431010305433 - 2²⁵ = 340430976751001 is a prime.

It is a super-3 number, since 3×340431010305433³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340431010305403) 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, 743299148910 + ... + 743299149367.

It is an arithmetic number, because the mean of its divisors is an integer number (85479402150985).

Almost surely, 2^{340431010305433} is an apocalyptic number.

It is an amenable number.

340431010305433 is a deficient number, since it is larger than the sum of its proper divisors (1486598298507).

340431010305433 is a wasteful number, since it uses less digits than its factorization.

340431010305433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486598298506.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 340431010305433 its reverse (334503010134043), we get a palindrome (674934020439476).

The spelling of 340431010305433 in words is "three hundred forty trillion, four hundred thirty-one billion, ten million, three hundred five thousand, four hundred thirty-three".