42420020131131 has 8 divisors (see below), whose sum is σ = 56560541141520. Its totient is φ = 28279756270752.

The previous prime is 42420020131129. The next prime is 42420020131193. The reversal of 42420020131131 is 13113102002424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42420020131131 - 2¹ = 42420020131129 is a prime.

It is a super-2 number, since 2×42420020131131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42420020131231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63902260 + ... + 64562673.

It is an arithmetic number, because the mean of its divisors is an integer number (7070067642690).

Almost surely, 2^{42420020131131} is an apocalyptic number.

42420020131131 is a deficient number, since it is larger than the sum of its proper divisors (14140521010389).

42420020131131 is a wasteful number, since it uses less digits than its factorization.

42420020131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128575005.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 42420020131131 its reverse (13113102002424), we get a palindrome (55533122133555).

The spelling of 42420020131131 in words is "forty-two trillion, four hundred twenty billion, twenty million, one hundred thirty-one thousand, one hundred thirty-one".