2131023012210 has 32 divisors (see below), whose sum is σ = 5682728033280. Its totient is φ = 568272803184.

The previous prime is 2131023012199. The next prime is 2131023012211. The reversal of 2131023012210 is 122103201312.

2131023012210 is a `hidden beast` number, since 2 + 1 + 310 + 230 + 122 + 1 + 0 = 666.

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 (2131023012211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946338642 + ... + 3946339181.

It is an arithmetic number, because the mean of its divisors is an integer number (177585251040).

Almost surely, 2^{2131023012210} is an apocalyptic number.

2131023012210 is an abundant number, since it is smaller than the sum of its proper divisors (3551705021070).

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

2131023012210 is a wasteful number, since it uses less digits than its factorization.

2131023012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892677839 (or 7892677833 counting only the distinct ones).

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

Adding to 2131023012210 its reverse (122103201312), we get a palindrome (2253126213522).

The spelling of 2131023012210 in words is "two trillion, one hundred thirty-one billion, twenty-three million, twelve thousand, two hundred ten".