2131044263 has 4 divisors (see below), whose sum is σ = 2131159728. Its totient is φ = 2130928800.

The previous prime is 2131044259. The next prime is 2131044271. The reversal of 2131044263 is 3624401312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2131044263 - 2² = 2131044259 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 (2131047263) 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, 23138 + ... + 69263.

It is an arithmetic number, because the mean of its divisors is an integer number (532789932).

Almost surely, 2^2131044263 is an apocalyptic number.

2131044263 is a deficient number, since it is larger than the sum of its proper divisors (115465).

2131044263 is an equidigital number, since it uses as much as digits as its factorization.

2131044263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115464.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2131044263 is about 46163.2349711326. The cubic root of 2131044263 is about 1286.8585827971.

Adding to 2131044263 its reverse (3624401312), we get a palindrome (5755445575).

The spelling of 2131044263 in words is "two billion, one hundred thirty-one million, forty-four thousand, two hundred sixty-three".