2131001202311 has 16 divisors (see below), whose sum is σ = 2209725204480. Its totient is φ = 2053740884160.

The previous prime is 2131001202289. The next prime is 2131001202353. The reversal of 2131001202311 is 1132021001312.

It is a cyclic number.

It is not a de Polignac number, because 2131001202311 - 2³⁰ = 2129927460487 is a prime.

It is a super-2 number, since 2×2131001202311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131001202311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131001202391) 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, 2304950 + ... + 3094316.

It is an arithmetic number, because the mean of its divisors is an integer number (138107825280).

Almost surely, 2^{2131001202311} is an apocalyptic number.

2131001202311 is a deficient number, since it is larger than the sum of its proper divisors (78724002169).

2131001202311 is an equidigital number, since it uses as much as digits as its factorization.

2131001202311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790294.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2131001202311 its reverse (1132021001312), we get a palindrome (3263022203623).

The spelling of 2131001202311 in words is "two trillion, one hundred thirty-one billion, one million, two hundred two thousand, three hundred eleven".