342100335421531 has 4 divisors (see below), whose sum is σ = 362223884563992. Its totient is φ = 321976786279072.

The previous prime is 342100335421469. The next prime is 342100335421543. The reversal of 342100335421531 is 135124533001243.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342100335421531 is a prime.

It is a super-2 number, since 2×342100335421531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342100335421931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10061774571205 + ... + 10061774571238.

It is an arithmetic number, because the mean of its divisors is an integer number (90555971140998).

Almost surely, 2^{342100335421531} is an apocalyptic number.

342100335421531 is a deficient number, since it is larger than the sum of its proper divisors (20123549142461).

342100335421531 is a wasteful number, since it uses less digits than its factorization.

342100335421531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20123549142460.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 342100335421531 its reverse (135124533001243), we get a palindrome (477224868422774).

The spelling of 342100335421531 in words is "three hundred forty-two trillion, one hundred billion, three hundred thirty-five million, four hundred twenty-one thousand, five hundred thirty-one".