2131206941 has 4 divisors (see below), whose sum is σ = 2199955584. Its totient is φ = 2062458300.

The previous prime is 2131206881. The next prime is 2131206949. The reversal of 2131206941 is 1496021312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2131206941 - 2¹⁰ = 2131205917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131206949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34374275 + ... + 34374336.

It is an arithmetic number, because the mean of its divisors is an integer number (549988896).

Almost surely, 2^2131206941 is an apocalyptic number.

It is an amenable number.

2131206941 is a deficient number, since it is larger than the sum of its proper divisors (68748643).

2131206941 is an equidigital number, since it uses as much as digits as its factorization.

2131206941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68748642.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2131206941 is about 46164.9969240766. The cubic root of 2131206941 is about 1286.8913270339.

The spelling of 2131206941 in words is "two billion, one hundred thirty-one million, two hundred six thousand, nine hundred forty-one".