2131102232311 has 4 divisors (see below), whose sum is σ = 2295033173272. Its totient is φ = 1967171291352.

The previous prime is 2131102232291. The next prime is 2131102232323. The reversal of 2131102232311 is 1132322011312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2131102232311 - 2²¹ = 2131100135159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131102232341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81965470461 + ... + 81965470486.

It is an arithmetic number, because the mean of its divisors is an integer number (573758293318).

Almost surely, 2^{2131102232311} is an apocalyptic number.

2131102232311 is a deficient number, since it is larger than the sum of its proper divisors (163930940961).

2131102232311 is a wasteful number, since it uses less digits than its factorization.

2131102232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163930940960.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2131102232311 its reverse (1132322011312), we get a palindrome (3263424243623).

The spelling of 2131102232311 in words is "two trillion, one hundred thirty-one billion, one hundred two million, two hundred thirty-two thousand, three hundred eleven".