42313121232444 has 36 divisors (see below), whose sum is σ = 106961000655600. Its totient is φ = 14104000149120.

The previous prime is 42313121232401. The next prime is 42313121232461. The reversal of 42313121232444 is 44423212131324.

42313121232444 is a `hidden beast` number, since 4 + 2 + 3 + 1 + 312 + 12 + 324 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 42313121232399 and 42313121232408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14186797 + ... + 16908324.

It is an arithmetic number, because the mean of its divisors is an integer number (2971138907100).

Almost surely, 2^{42313121232444} is an apocalyptic number.

It is an amenable number.

42313121232444 is an abundant number, since it is smaller than the sum of its proper divisors (64647879423156).

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

42313121232444 is a wasteful number, since it uses less digits than its factorization.

42313121232444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31132930 (or 31132925 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 42313121232444 its reverse (44423212131324), we get a palindrome (86736333363768).

The spelling of 42313121232444 in words is "forty-two trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred thirty-two thousand, four hundred forty-four".