31030001132020 has 24 divisors (see below), whose sum is σ = 71086911684768. Its totient is φ = 11283636775200.

The previous prime is 31030001131999. The next prime is 31030001132087. The reversal of 31030001132020 is 2023110003013.

31030001132020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 31030001131985 and 31030001132003.

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 7 ways as a sum of consecutive naturals, for example, 70522729626 + ... + 70522730065.

It is an arithmetic number, because the mean of its divisors is an integer number (2961954653532).

Almost surely, 2^{31030001132020} is an apocalyptic number.

It is an amenable number.

31030001132020 is an abundant number, since it is smaller than the sum of its proper divisors (40056910552748).

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

31030001132020 is a wasteful number, since it uses less digits than its factorization.

31030001132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141045459711 (or 141045459709 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31030001132020 its reverse (2023110003013), we get a palindrome (33053111135033).

The spelling of 31030001132020 in words is "thirty-one trillion, thirty billion, one million, one hundred thirty-two thousand, twenty".