42311443431144 has 128 divisors (see below), whose sum is σ = 106935452467200. Its totient is φ = 13950116167680.

The previous prime is 42311443431119. The next prime is 42311443431151. The reversal of 42311443431144 is 44113434411324.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2754822937 + ... + 2754838295.

It is an arithmetic number, because the mean of its divisors is an integer number (835433222400).

Almost surely, 2^{42311443431144} is an apocalyptic number.

It is an amenable number.

42311443431144 is an abundant number, since it is smaller than the sum of its proper divisors (64624009036056).

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

42311443431144 is a wasteful number, since it uses less digits than its factorization.

42311443431144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515 (or 17511 counting only the distinct ones).

The product of its digits is 221184, while the sum is 39.

Adding to 42311443431144 its reverse (44113434411324), we get a palindrome (86424877842468).

The spelling of 42311443431144 in words is "forty-two trillion, three hundred eleven billion, four hundred forty-three million, four hundred thirty-one thousand, one hundred forty-four".