31433441332020 has 192 divisors, whose sum is σ = 109808373050880. Its totient is φ = 6541259784192.

The previous prime is 31433441331979. The next prime is 31433441332037. The reversal of 31433441332020 is 2023314433413.

It is a happy number.

It is a super-2 number, since 2×31433441332020² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 39033205 + ... + 39830364.

It is an arithmetic number, because the mean of its divisors is an integer number (571918609640).

Almost surely, 2^{31433441332020} is an apocalyptic number.

31433441332020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31433441332020 is an abundant number, since it is smaller than the sum of its proper divisors (78374931718860).

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

31433441332020 is a wasteful number, since it uses less digits than its factorization.

31433441332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78863674 (or 78863672 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 31433441332020 its reverse (2023314433413), we get a palindrome (33456755765433).

The spelling of 31433441332020 in words is "thirty-one trillion, four hundred thirty-three billion, four hundred forty-one million, three hundred thirty-two thousand, twenty".