342121413 has 32 divisors (see below), whose sum is σ = 502765056. Its totient is φ = 206056448.

The previous prime is 342121361. The next prime is 342121421. The reversal of 342121413 is 314121243.

It is a cyclic number.

It is not a de Polignac number, because 342121413 - 2¹² = 342117317 is a prime.

It is a super-2 number, since 2×342121413² = 234094122466233138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 342121413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342122413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125695 + ... + 128387.

It is an arithmetic number, because the mean of its divisors is an integer number (15711408).

Almost surely, 2^342121413 is an apocalyptic number.

It is an amenable number.

342121413 is a deficient number, since it is larger than the sum of its proper divisors (160643643).

342121413 is a wasteful number, since it uses less digits than its factorization.

342121413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813.

The product of its digits is 576, while the sum is 21.

The square root of 342121413 is about 18496.5243491852. The cubic root of 342121413 is about 699.4018107280.

Adding to 342121413 its reverse (314121243), we get a palindrome (656242656).

The spelling of 342121413 in words is "three hundred forty-two million, one hundred twenty-one thousand, four hundred thirteen".