2312211002130 has 48 divisors (see below), whose sum is σ = 6365380880664. Its totient is φ = 580319623680.

The previous prime is 2312211002089. The next prime is 2312211002137. The reversal of 2312211002130 is 312001122132.

2312211002130 is a `hidden beast` number, since 231 + 221 + 1 + 0 + 0 + 213 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1715348142369 + 596862859761 = 1309713^2 + 772569^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2312211002137) 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 23 ways as a sum of consecutive naturals, for example, 755622981 + ... + 755626040.

Almost surely, 2^{2312211002130} is an apocalyptic number.

2312211002130 is an abundant number, since it is smaller than the sum of its proper divisors (4053169878534).

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

2312211002130 is a wasteful number, since it uses less digits than its factorization.

2312211002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511249051 (or 1511249048 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2312211002130 its reverse (312001122132), we get a palindrome (2624212124262).

The spelling of 2312211002130 in words is "two trillion, three hundred twelve billion, two hundred eleven million, two thousand, one hundred thirty".