2050317381 has 36 divisors (see below), whose sum is σ = 3215696928. Its totient is φ = 1138291200.

The previous prime is 2050317361. The next prime is 2050317397. The reversal of 2050317381 is 1837130502.

It is not a de Polignac number, because 2050317381 - 2¹⁷ = 2050186309 is a prime.

It is a super-2 number, since 2×2050317381² = 8407602725661398322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050317301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8507421 + ... + 8507661.

Almost surely, 2^2050317381 is an apocalyptic number.

2050317381 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2050317381 is a deficient number, since it is larger than the sum of its proper divisors (1165379547).

2050317381 is an frugal number, since it uses more digits than its factorization.

2050317381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 2050317381 is about 45280.4304418587. The cubic root of 2050317381 is about 1270.3996470976.

Adding to 2050317381 its reverse (1837130502), we get a palindrome (3887447883).

The spelling of 2050317381 in words is "two billion, fifty million, three hundred seventeen thousand, three hundred eighty-one".