2131302231211 has 32 divisors (see below), whose sum is σ = 2297809166400. Its totient is φ = 1969736970240.

The previous prime is 2131302231173. The next prime is 2131302231239. The reversal of 2131302231211 is 1121322031312.

It is a cyclic number.

It is not a de Polignac number, because 2131302231211 - 2⁹ = 2131302230699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131302231271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196373661 + ... + 196384513.

It is an arithmetic number, because the mean of its divisors is an integer number (71806536450).

Almost surely, 2^{2131302231211} is an apocalyptic number.

2131302231211 is a deficient number, since it is larger than the sum of its proper divisors (166506935189).

2131302231211 is a wasteful number, since it uses less digits than its factorization.

2131302231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919.

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

Adding to 2131302231211 its reverse (1121322031312), we get a palindrome (3252624262523).

The spelling of 2131302231211 in words is "two trillion, one hundred thirty-one billion, three hundred two million, two hundred thirty-one thousand, two hundred eleven".