31133201112000 has 672 divisors, whose sum is σ = 120083136089280. Its totient is φ = 7654122086400.

The previous prime is 31133201111989. The next prime is 31133201112007. The reversal of 31133201112000 is 21110233113.

31133201112000 is a `hidden beast` number, since 31 + 1 + 3 + 320 + 111 + 200 + 0 = 666.

It is a super-2 number, since 2×31133201112000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133201112007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 775923939 + ... + 775964061.

It is an arithmetic number, because the mean of its divisors is an integer number (178695142990).

Almost surely, 2^{31133201112000} is an apocalyptic number.

31133201112000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31133201112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60041568044640).

31133201112000 is an abundant number, since it is smaller than the sum of its proper divisors (88949934977280).

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

31133201112000 is a wasteful number, since it uses less digits than its factorization.

31133201112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40998 (or 40975 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31133201112000 its reverse (21110233113), we get a palindrome (31154311345113).

The spelling of 31133201112000 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred one million, one hundred twelve thousand".