2021313120030 has 64 divisors (see below), whose sum is σ = 5390335641600. Its totient is φ = 539000100000.

The previous prime is 2021313119989. The next prime is 2021313120031. The reversal of 2021313120030 is 300213131202.

2021313120030 is a `hidden beast` number, since 202 + 1 + 313 + 120 + 0 + 30 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2021313119985 and 2021313120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021313120031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10335655 + ... + 10529405.

It is an arithmetic number, because the mean of its divisors is an integer number (84223994400).

Almost surely, 2^{2021313120030} is an apocalyptic number.

2021313120030 is an abundant number, since it is smaller than the sum of its proper divisors (3369022521570).

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

2021313120030 is a wasteful number, since it uses less digits than its factorization.

2021313120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232406 (or 232400 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2021313120030 its reverse (300213131202), we get a palindrome (2321526251232).

The spelling of 2021313120030 in words is "two trillion, twenty-one billion, three hundred thirteen million, one hundred twenty thousand, thirty".