42630404131 has 4 divisors (see below), whose sum is σ = 48720461872. Its totient is φ = 36540346392.

The previous prime is 42630404129. The next prime is 42630404149. The reversal of 42630404131 is 13140403624.

42630404131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42630404131 - 2¹ = 42630404129 is a prime.

It is a super-4 number, since 4×42630404131⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42630404131.

It is not an unprimeable number, because it can be changed into a prime (42630402131) 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, 3045028860 + ... + 3045028873.

It is an arithmetic number, because the mean of its divisors is an integer number (12180115468).

Almost surely, 2^42630404131 is an apocalyptic number.

42630404131 is a deficient number, since it is larger than the sum of its proper divisors (6090057741).

42630404131 is an equidigital number, since it uses as much as digits as its factorization.

42630404131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6090057740.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 42630404131 its reverse (13140403624), we get a palindrome (55770807755).

The spelling of 42630404131 in words is "forty-two billion, six hundred thirty million, four hundred four thousand, one hundred thirty-one".