2050631213 has 2 divisors, whose sum is σ = 2050631214. Its totient is φ = 2050631212.

The previous prime is 2050631173. The next prime is 2050631249. The reversal of 2050631213 is 3121360502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1823887849 + 226743364 = 42707^2 + 15058^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050631213 - 2⁸ = 2050630957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2050631293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025315606 + 1025315607.

It is an arithmetic number, because the mean of its divisors is an integer number (1025315607).

Almost surely, 2^2050631213 is an apocalyptic number.

It is an amenable number.

2050631213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2050631213 is an equidigital number, since it uses as much as digits as its factorization.

2050631213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2050631213 is about 45283.8957356807. The cubic root of 2050631213 is about 1270.4644617333.

Adding to 2050631213 its reverse (3121360502), we get a palindrome (5171991715).

The spelling of 2050631213 in words is "two billion, fifty million, six hundred thirty-one thousand, two hundred thirteen".