42204131240413 has 4 divisors (see below), whose sum is σ = 42536447234560. Its totient is φ = 41871815246268.

The previous prime is 42204131240399. The next prime is 42204131240441. The reversal of 42204131240413 is 31404213140224.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42204131240413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204131240483) 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, 166157996883 + ... + 166157997136.

It is an arithmetic number, because the mean of its divisors is an integer number (10634111808640).

Almost surely, 2^{42204131240413} is an apocalyptic number.

It is an amenable number.

42204131240413 is a deficient number, since it is larger than the sum of its proper divisors (332315994147).

42204131240413 is a wasteful number, since it uses less digits than its factorization.

42204131240413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332315994146.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 42204131240413 its reverse (31404213140224), we get a palindrome (73608344380637).

The spelling of 42204131240413 in words is "forty-two trillion, two hundred four billion, one hundred thirty-one million, two hundred forty thousand, four hundred thirteen".