342124431021 has 16 divisors (see below), whose sum is σ = 506860032000. Its totient is φ = 228078893664.

The previous prime is 342124430953. The next prime is 342124431151. The reversal of 342124431021 is 120134421243.

342124431021 is a `hidden beast` number, since 3 + 4 + 212 + 443 + 1 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 342124431021 - 2¹¹ = 342124428973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342124431421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2794705 + ... + 2914553.

It is an arithmetic number, because the mean of its divisors is an integer number (31678752000).

Almost surely, 2^342124431021 is an apocalyptic number.

It is an amenable number.

342124431021 is a deficient number, since it is larger than the sum of its proper divisors (164735600979).

342124431021 is a wasteful number, since it uses less digits than its factorization.

342124431021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225585 (or 225579 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 342124431021 its reverse (120134421243), we get a palindrome (462258852264).

The spelling of 342124431021 in words is "three hundred forty-two billion, one hundred twenty-four million, four hundred thirty-one thousand, twenty-one".