342213451 has 4 divisors (see below), whose sum is σ = 362343672. Its totient is φ = 322083232.

The previous prime is 342213437. The next prime is 342213463. The reversal of 342213451 is 154312243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154312243 = 19 ⋅8121697.

It is a cyclic number.

It is not a de Polignac number, because 342213451 - 2¹⁷ = 342082379 is a prime.

It is a super-2 number, since 2×342213451² = 234220092090658802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342213401) 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, 10065085 + ... + 10065118.

It is an arithmetic number, because the mean of its divisors is an integer number (90585918).

Almost surely, 2^342213451 is an apocalyptic number.

342213451 is a deficient number, since it is larger than the sum of its proper divisors (20130221).

342213451 is a wasteful number, since it uses less digits than its factorization.

342213451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20130220.

The product of its digits is 2880, while the sum is 25.

The square root of 342213451 is about 18499.0121628156. The cubic root of 342213451 is about 699.4645231354.

Adding to 342213451 its reverse (154312243), we get a palindrome (496525694).

The spelling of 342213451 in words is "three hundred forty-two million, two hundred thirteen thousand, four hundred fifty-one".