2131310220030 has 48 divisors (see below), whose sum is σ = 5541557050224. Its totient is φ = 568333958400.

The previous prime is 2131310220001. The next prime is 2131310220079. The reversal of 2131310220030 is 300220131312.

2131310220030 is a `hidden beast` number, since 2 + 131 + 310 + 220 + 0 + 3 + 0 = 666.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2131310219985 and 2131310220012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3227605 + ... + 3831455.

It is an arithmetic number, because the mean of its divisors is an integer number (115449105213).

Almost surely, 2^{2131310220030} is an apocalyptic number.

2131310220030 is an abundant number, since it is smaller than the sum of its proper divisors (3410246830194).

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

2131310220030 is a wasteful number, since it uses less digits than its factorization.

2131310220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643081 (or 643078 counting only the distinct ones).

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

Adding to 2131310220030 its reverse (300220131312), we get a palindrome (2431530351342).

The spelling of 2131310220030 in words is "two trillion, one hundred thirty-one billion, three hundred ten million, two hundred twenty thousand, thirty".