2131445683 has 8 divisors (see below), whose sum is σ = 2217131280. Its totient is φ = 2046572640.

The previous prime is 2131445677. The next prime is 2131445689. The reversal of 2131445683 is 3865441312.

It is an interprime number because it is at equal distance from previous prime (2131445677) and next prime (2131445689).

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 2131445683 - 2⁵ = 2131445651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131445689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197785 + ... + 208282.

It is an arithmetic number, because the mean of its divisors is an integer number (277141410).

Almost surely, 2^2131445683 is an apocalyptic number.

2131445683 is a deficient number, since it is larger than the sum of its proper divisors (85685597).

2131445683 is a wasteful number, since it uses less digits than its factorization.

2131445683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406277.

The product of its digits is 69120, while the sum is 37.

The square root of 2131445683 is about 46167.5825986157. The cubic root of 2131445683 is about 1286.9393786069.

Adding to 2131445683 its reverse (3865441312), we get a palindrome (5996886995).

The spelling of 2131445683 in words is "two billion, one hundred thirty-one million, four hundred forty-five thousand, six hundred eighty-three".