342032021 has 8 divisors (see below), whose sum is σ = 353631744. Its totient is φ = 330467760.

The previous prime is 342031979. The next prime is 342032051. The reversal of 342032021 is 120230243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342032021 - 2⁶ = 342031957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342032051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11531 + ... + 28583.

It is an arithmetic number, because the mean of its divisors is an integer number (44203968).

Almost surely, 2^342032021 is an apocalyptic number.

342032021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

342032021 is a deficient number, since it is larger than the sum of its proper divisors (11599723).

342032021 is a wasteful number, since it uses less digits than its factorization.

342032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17731.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 342032021 is about 18494.1077373308. The cubic root of 342032021 is about 699.3408904715.

Adding to 342032021 its reverse (120230243), we get a palindrome (462262264).

The spelling of 342032021 in words is "three hundred forty-two million, thirty-two thousand, twenty-one".