31443241134420 has 96 divisors (see below), whose sum is σ = 97844278170240. Its totient is φ = 8383076190720.

The previous prime is 31443241134359. The next prime is 31443241134449. The reversal of 31443241134420 is 2443114234413.

31443241134420 is a `hidden beast` number, since 3 + 1 + 443 + 2 + 41 + 134 + 42 + 0 = 666.

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

It is a congruent number.

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, 3673237 + ... + 8739516.

It is an arithmetic number, because the mean of its divisors is an integer number (1019211230940).

Almost surely, 2^{31443241134420} is an apocalyptic number.

31443241134420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31443241134420 is an abundant number, since it is smaller than the sum of its proper divisors (66401037035820).

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

31443241134420 is a wasteful number, since it uses less digits than its factorization.

31443241134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12417462 (or 12417454 counting only the distinct ones).

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

Adding to 31443241134420 its reverse (2443114234413), we get a palindrome (33886355368833).

The spelling of 31443241134420 in words is "thirty-one trillion, four hundred forty-three billion, two hundred forty-one million, one hundred thirty-four thousand, four hundred twenty".