340831138043 has 4 divisors (see below), whose sum is σ = 371815786968. Its totient is φ = 309846489120.

The previous prime is 340831138003. The next prime is 340831138117.

340831138043 is nontrivially palindromic in base 10.

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 340831138043 - 2¹² = 340831133947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340831137988 and 340831138006.

It is not an unprimeable number, because it can be changed into a prime (340831138003) 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, 15492324446 + ... + 15492324467.

It is an arithmetic number, because the mean of its divisors is an integer number (92953946742).

Almost surely, 2^340831138043 is an apocalyptic number.

340831138043 is a deficient number, since it is larger than the sum of its proper divisors (30984648925).

340831138043 is a wasteful number, since it uses less digits than its factorization.

340831138043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30984648924.

The product of its (nonzero) digits is 82944, while the sum is 38.

It can be divided in two parts, 340831 and 138043, that added together give a palindrome (478874).

The spelling of 340831138043 in words is "three hundred forty billion, eight hundred thirty-one million, one hundred thirty-eight thousand, forty-three".