342121030 has 16 divisors (see below), whose sum is σ = 648229680. Its totient is φ = 129645792.

The previous prime is 342121027. The next prime is 342121057. The reversal of 342121030 is 30121243.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 342120995 and 342121013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900129 + ... + 900508.

It is an arithmetic number, because the mean of its divisors is an integer number (40514355).

Almost surely, 2^342121030 is an apocalyptic number.

342121030 is a deficient number, since it is larger than the sum of its proper divisors (306108650).

342121030 is a wasteful number, since it uses less digits than its factorization.

342121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800663.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 342121030 is about 18496.5139958858. The cubic root of 342121030 is about 699.4015497378.

Adding to 342121030 its reverse (30121243), we get a palindrome (372242273).

The spelling of 342121030 in words is "three hundred forty-two million, one hundred twenty-one thousand, thirty".