342213401 has 2 divisors, whose sum is σ = 342213402. Its totient is φ = 342213400.

The previous prime is 342213373. The next prime is 342213409. The reversal of 342213401 is 104312243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342213001 + 400 = 18499^2 + 20^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342213401 is a prime.

It is a super-2 number, since 2×342213401² = 234220023647973602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (342213409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171106700 + 171106701.

It is an arithmetic number, because the mean of its divisors is an integer number (171106701).

Almost surely, 2^342213401 is an apocalyptic number.

It is an amenable number.

342213401 is a deficient number, since it is larger than the sum of its proper divisors (1).

342213401 is an equidigital number, since it uses as much as digits as its factorization.

342213401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 342213401 is about 18499.0108113921. The cubic root of 342213401 is about 699.4644890697.

Adding to 342213401 its reverse (104312243), we get a palindrome (446525644).

The spelling of 342213401 in words is "three hundred forty-two million, two hundred thirteen thousand, four hundred one".