2131334243243 has 8 divisors (see below), whose sum is σ = 2135089152000. Its totient is φ = 2127579757480.

The previous prime is 2131334243239. The next prime is 2131334243287. The reversal of 2131334243243 is 3423424331312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131334243243 - 2² = 2131334243239 is a prime.

It is a super-2 number, since 2×2131334243243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131334243293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11004758 + ... + 11196756.

It is an arithmetic number, because the mean of its divisors is an integer number (266886144000).

Almost surely, 2^{2131334243243} is an apocalyptic number.

2131334243243 is a deficient number, since it is larger than the sum of its proper divisors (3754908757).

2131334243243 is a wasteful number, since it uses less digits than its factorization.

2131334243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211497.

The product of its digits is 124416, while the sum is 35.

Adding to 2131334243243 its reverse (3423424331312), we get a palindrome (5554758574555).

The spelling of 2131334243243 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-four million, two hundred forty-three thousand, two hundred forty-three".