2131283641 has 2 divisors, whose sum is σ = 2131283642. Its totient is φ = 2131283640.

The previous prime is 2131283639. The next prime is 2131283653. The reversal of 2131283641 is 1463821312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1117498041 + 1013785600 = 33429^2 + 31840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131283641 - 2¹ = 2131283639 is a prime.

Together with 2131283639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2131281641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065641820 + 1065641821.

It is an arithmetic number, because the mean of its divisors is an integer number (1065641821).

Almost surely, 2^2131283641 is an apocalyptic number.

It is an amenable number.

2131283641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131283641 is an equidigital number, since it uses as much as digits as its factorization.

2131283641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 2131283641 is about 46165.8276325682. The cubic root of 2131283641 is about 1286.9067648247.

The spelling of 2131283641 in words is "two billion, one hundred thirty-one million, two hundred eighty-three thousand, six hundred forty-one".