340322051 has 4 divisors (see below), whose sum is σ = 340843872. Its totient is φ = 339800232.

The previous prime is 340322033. The next prime is 340322057. The reversal of 340322051 is 150223043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150223043 = 983 ⋅152821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340322051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340322057) 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, 259931 + ... + 261236.

It is an arithmetic number, because the mean of its divisors is an integer number (85210968).

Almost surely, 2^340322051 is an apocalyptic number.

340322051 is a deficient number, since it is larger than the sum of its proper divisors (521821).

340322051 is an equidigital number, since it uses as much as digits as its factorization.

340322051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521820.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 340322051 is about 18447.8196814691. The cubic root of 340322051 is about 698.1735042936.

Adding to 340322051 its reverse (150223043), we get a palindrome (490545094).

The spelling of 340322051 in words is "three hundred forty million, three hundred twenty-two thousand, fifty-one".