342775091 has 4 divisors (see below), whose sum is σ = 353832384. Its totient is φ = 331717800.

The previous prime is 342775087. The next prime is 342775109. The reversal of 342775091 is 190577243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190577243 = 31 ⋅6147653.

It is a cyclic number.

It is not a de Polignac number, because 342775091 - 2² = 342775087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342775021) 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, 5528600 + ... + 5528661.

It is an arithmetic number, because the mean of its divisors is an integer number (88458096).

Almost surely, 2^342775091 is an apocalyptic number.

342775091 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

342775091 is a deficient number, since it is larger than the sum of its proper divisors (11057293).

342775091 is a wasteful number, since it uses less digits than its factorization.

342775091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057292.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 342775091 is about 18514.1862094989. The cubic root of 342775091 is about 699.8469672270.

The spelling of 342775091 in words is "three hundred forty-two million, seven hundred seventy-five thousand, ninety-one".