2050431321 has 8 divisors (see below), whose sum is σ = 2736084960. Its totient is φ = 1365865952.

The previous prime is 2050431293. The next prime is 2050431323. The reversal of 2050431321 is 1231340502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2050431321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2050431323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267660 + ... + 275213.

It is an arithmetic number, because the mean of its divisors is an integer number (342010620).

Almost surely, 2^2050431321 is an apocalyptic number.

It is an amenable number.

2050431321 is a deficient number, since it is larger than the sum of its proper divisors (685653639).

2050431321 is a wasteful number, since it uses less digits than its factorization.

2050431321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544135.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2050431321 is about 45281.6885837973. The cubic root of 2050431321 is about 1270.4231794957.

Adding to 2050431321 its reverse (1231340502), we get a palindrome (3281771823).

The spelling of 2050431321 in words is "two billion, fifty million, four hundred thirty-one thousand, three hundred twenty-one".