342420331402 has 48 divisors (see below), whose sum is σ = 545183882496. Its totient is φ = 161217285600.

The previous prime is 342420331367. The next prime is 342420331423. The reversal of 342420331402 is 204133024243.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15616827 + ... + 15638737.

It is an arithmetic number, because the mean of its divisors is an integer number (11357997552).

Almost surely, 2^342420331402 is an apocalyptic number.

342420331402 is a deficient number, since it is larger than the sum of its proper divisors (202763551094).

342420331402 is a wasteful number, since it uses less digits than its factorization.

342420331402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22195 (or 22164 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 342420331402 its reverse (204133024243), we get a palindrome (546553355645).

The spelling of 342420331402 in words is "three hundred forty-two billion, four hundred twenty million, three hundred thirty-one thousand, four hundred two".