42204434131 has 24 divisors (see below), whose sum is σ = 44652847680. Its totient is φ = 39884102016.

The previous prime is 42204434119. The next prime is 42204434137. The reversal of 42204434131 is 13143440224.

It is not a de Polignac number, because 42204434131 - 2¹⁹ = 42203909843 is a prime.

It is a super-2 number, since 2×42204434131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42204434131.

It is not an unprimeable number, because it can be changed into a prime (42204434137) 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 23 ways as a sum of consecutive naturals, for example, 16595046 + ... + 16597588.

It is an arithmetic number, because the mean of its divisors is an integer number (1860535320).

Almost surely, 2^42204434131 is an apocalyptic number.

42204434131 is a deficient number, since it is larger than the sum of its proper divisors (2448413549).

42204434131 is a wasteful number, since it uses less digits than its factorization.

42204434131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42204434131 its reverse (13143440224), we get a palindrome (55347874355).

The spelling of 42204434131 in words is "forty-two billion, two hundred four million, four hundred thirty-four thousand, one hundred thirty-one".