42500131434120 has 128 divisors (see below), whose sum is σ = 127612909036800. Its totient is φ = 11323369291776.

The previous prime is 42500131434041. The next prime is 42500131434127. The reversal of 42500131434120 is 2143413100524.

42500131434120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42500131434120³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (42500131434127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2148957672 + ... + 2148977448.

It is an arithmetic number, because the mean of its divisors is an integer number (996975851850).

Almost surely, 2^{42500131434120} is an apocalyptic number.

42500131434120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42500131434120 is an abundant number, since it is smaller than the sum of its proper divisors (85112777602680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42500131434120 is a wasteful number, since it uses less digits than its factorization.

42500131434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34687 (or 34683 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 42500131434120 its reverse (2143413100524), we get a palindrome (44643544534644).

The spelling of 42500131434120 in words is "forty-two trillion, five hundred billion, one hundred thirty-one million, four hundred thirty-four thousand, one hundred twenty".