2131312102310 has 32 divisors (see below), whose sum is σ = 3860684640000. Its totient is φ = 847121895648.

The previous prime is 2131312102291. The next prime is 2131312102313. The reversal of 2131312102310 is 132012131312.

It is a happy number.

It is a super-2 number, since 2×2131312102310² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131312102313) 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, 8017589 + ... + 8279151.

It is an arithmetic number, because the mean of its divisors is an integer number (120646395000).

Almost surely, 2^{2131312102310} is an apocalyptic number.

2131312102310 is a deficient number, since it is larger than the sum of its proper divisors (1729372537690).

2131312102310 is a wasteful number, since it uses less digits than its factorization.

2131312102310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266732.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2131312102310 its reverse (132012131312), we get a palindrome (2263324233622).

The spelling of 2131312102310 in words is "two trillion, one hundred thirty-one billion, three hundred twelve million, one hundred two thousand, three hundred ten".