31133012300000 has 288 divisors, whose sum is σ = 82539002415744. Its totient is φ = 11490485760000.

The previous prime is 31133012299999. The next prime is 31133012300021. The reversal of 31133012300000 is 321033113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5274097049 + ... + 5274102951.

It is an arithmetic number, because the mean of its divisors is an integer number (286593758388).

Almost surely, 2^{31133012300000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31133012300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41269501207872).

31133012300000 is an abundant number, since it is smaller than the sum of its proper divisors (51405990115744).

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

31133012300000 is an equidigital number, since it uses as much as digits as its factorization.

31133012300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008 (or 9980 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31133012300000 its reverse (321033113), we get a palindrome (31133333333113).

The spelling of 31133012300000 in words is "thirty-one trillion, one hundred thirty-three billion, twelve million, three hundred thousand".