342011232621 has 48 divisors (see below), whose sum is σ = 515303076288. Its totient is φ = 218407622400.

The previous prime is 342011232587. The next prime is 342011232631. The reversal of 342011232621 is 126232110243.

342011232621 is a `hidden beast` number, since 3 + 4 + 2 + 0 + 1 + 1 + 2 + 32 + 621 = 666.

It is not a de Polignac number, because 342011232621 - 2⁹ = 342011232109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342011232631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7567431 + ... + 7612491.

It is an arithmetic number, because the mean of its divisors is an integer number (10735480756).

Almost surely, 2^342011232621 is an apocalyptic number.

It is an amenable number.

342011232621 is a deficient number, since it is larger than the sum of its proper divisors (173291843667).

342011232621 is a wasteful number, since it uses less digits than its factorization.

342011232621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45482 (or 45479 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 342011232621 its reverse (126232110243), we get a palindrome (468243342864).

The spelling of 342011232621 in words is "three hundred forty-two billion, eleven million, two hundred thirty-two thousand, six hundred twenty-one".