340243051 has 16 divisors (see below), whose sum is σ = 379562400. Its totient is φ = 303609600.

The previous prime is 340243031. The next prime is 340243061. The reversal of 340243051 is 150342043.

It is a 8-Lehmer number, since φ(340243051) divides (340243051-1)⁸.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340243051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340243031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15061 + ... + 30121.

It is an arithmetic number, because the mean of its divisors is an integer number (23722650).

Almost surely, 2^340243051 is an apocalyptic number.

340243051 is the 15061-st pentagonal number.

340243051 is a deficient number, since it is larger than the sum of its proper divisors (39319349).

340243051 is a wasteful number, since it uses less digits than its factorization.

340243051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 340243051 is about 18445.6783827540. The cubic root of 340243051 is about 698.1194770616.

Adding to 340243051 its reverse (150342043), we get a palindrome (490585094).

The spelling of 340243051 in words is "three hundred forty million, two hundred forty-three thousand, fifty-one".