2131312030210 has 48 divisors (see below), whose sum is σ = 4217320913400. Its totient is φ = 774931829760.

The previous prime is 2131312030171. The next prime is 2131312030213. The reversal of 2131312030210 is 120302131312.

It can be written as a sum of positive squares in 4 ways, for example, as 758203821001 + 1373108209209 = 870749^2 + 1171797^2 .

It is not an unprimeable number, because it can be changed into a prime (2131312030213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10705456 + ... + 10902724.

Almost surely, 2^{2131312030210} is an apocalyptic number.

2131312030210 is a deficient number, since it is larger than the sum of its proper divisors (2086008883190).

2131312030210 is a wasteful number, since it uses less digits than its factorization.

2131312030210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206227 (or 206216 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2131312030210 its reverse (120302131312), we get a palindrome (2251614161522).

The spelling of 2131312030210 in words is "two trillion, one hundred thirty-one billion, three hundred twelve million, thirty thousand, two hundred ten".