2131333212423 has 16 divisors (see below), whose sum is σ = 2951266457216. Its totient is φ = 1367130774240.

The previous prime is 2131333212403. The next prime is 2131333212439. The reversal of 2131333212423 is 3242123331312.

It is not a de Polignac number, because 2131333212423 - 2²⁰ = 2131332163847 is a prime.

It is a super-3 number, since 3×2131333212423³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131333212403) 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, 123289588 + ... + 123306873.

It is an arithmetic number, because the mean of its divisors is an integer number (184454153576).

Almost surely, 2^{2131333212423} is an apocalyptic number.

2131333212423 is a deficient number, since it is larger than the sum of its proper divisors (819933244793).

2131333212423 is a wasteful number, since it uses less digits than its factorization.

2131333212423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246596574.

The product of its digits is 15552, while the sum is 30.

Adding to 2131333212423 its reverse (3242123331312), we get a palindrome (5373456543735).

The spelling of 2131333212423 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-three million, two hundred twelve thousand, four hundred twenty-three".