2131042343 has 8 divisors (see below), whose sum is σ = 2189360880. Its totient is φ = 2072761920.

The previous prime is 2131042297. The next prime is 2131042349. The reversal of 2131042343 is 3432401312.

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 2131042343 - 2⁶ = 2131042279 is a prime.

It is a super-3 number, since 3×2131042343³ (a number of 29 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 (2131042349) 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, 132203 + ... + 147443.

It is an arithmetic number, because the mean of its divisors is an integer number (273670110).

Almost surely, 2^2131042343 is an apocalyptic number.

2131042343 is a deficient number, since it is larger than the sum of its proper divisors (58318537).

2131042343 is a wasteful number, since it uses less digits than its factorization.

2131042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19057.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2131042343 is about 46163.2141753583. The cubic root of 2131042343 is about 1286.8581963248.

Adding to 2131042343 its reverse (3432401312), we get a palindrome (5563443655).

The spelling of 2131042343 in words is "two billion, one hundred thirty-one million, forty-two thousand, three hundred forty-three".