2131333020231 has 16 divisors (see below), whose sum is σ = 2870477153760. Its totient is φ = 1406544307200.

The previous prime is 2131333020209. The next prime is 2131333020293. The reversal of 2131333020231 is 1320203331312.

It is not a de Polignac number, because 2131333020231 - 2¹⁷ = 2131332889159 is a prime.

It is a super-2 number, since 2×2131333020231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131333020031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861375 + ... + 2237103.

It is an arithmetic number, because the mean of its divisors is an integer number (179404822110).

Almost surely, 2^{2131333020231} is an apocalyptic number.

2131333020231 is a deficient number, since it is larger than the sum of its proper divisors (739144133529).

2131333020231 is a wasteful number, since it uses less digits than its factorization.

2131333020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380946.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 2131333020231 its reverse (1320203331312), we get a palindrome (3451536351543).

The spelling of 2131333020231 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-three million, twenty thousand, two hundred thirty-one".