30313332121000 has 128 divisors (see below), whose sum is σ = 71312331261600. Its totient is φ = 12060544204800.

The previous prime is 30313332120997. The next prime is 30313332121019. The reversal of 30313332121000 is 12123331303.

It can be written as a sum of positive squares in 16 ways, for example, as 5290266803364 + 25023065317636 = 2300058^2 + 5002306^2 .

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, 1982681356 + ... + 1982696644.

Almost surely, 2^{30313332121000} 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 30313332121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35656165630800).

30313332121000 is an abundant number, since it is smaller than the sum of its proper divisors (40998999140600).

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

30313332121000 is a wasteful number, since it uses less digits than its factorization.

30313332121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25776 (or 25762 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30313332121000 its reverse (12123331303), we get a palindrome (30325455452303).

The spelling of 30313332121000 in words is "thirty trillion, three hundred thirteen billion, three hundred thirty-two million, one hundred twenty-one thousand".