2131241045 has 8 divisors (see below), whose sum is σ = 2562831360. Its totient is φ = 1701431440.

The previous prime is 2131241027. The next prime is 2131241051. The reversal of 2131241045 is 5401421312.

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

It is not a de Polignac number, because 2131241045 - 2²⁰ = 2130192469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2131241045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442541 + ... + 447330.

It is an arithmetic number, because the mean of its divisors is an integer number (320353920).

Almost surely, 2^2131241045 is an apocalyptic number.

It is an amenable number.

2131241045 is a deficient number, since it is larger than the sum of its proper divisors (431590315).

2131241045 is an equidigital number, since it uses as much as digits as its factorization.

2131241045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890355.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2131241045 is about 46165.3662933589. The cubic root of 2131241045 is about 1286.8981913615.

Adding to 2131241045 its reverse (5401421312), we get a palindrome (7532662357).

The spelling of 2131241045 in words is "two billion, one hundred thirty-one million, two hundred forty-one thousand, forty-five".