2000203231331 has 16 divisors (see below), whose sum is σ = 2049911339520. Its totient is φ = 1950641904960.

The previous prime is 2000203231307. The next prime is 2000203231343. The reversal of 2000203231331 is 1331323020002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000203231331 is a prime.

It is a super-2 number, since 2×2000203231331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000203231381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125941511 + ... + 125957391.

It is an arithmetic number, because the mean of its divisors is an integer number (128119458720).

Almost surely, 2^{2000203231331} is an apocalyptic number.

2000203231331 is a deficient number, since it is larger than the sum of its proper divisors (49708108189).

2000203231331 is a wasteful number, since it uses less digits than its factorization.

2000203231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20306.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2000203231331 its reverse (1331323020002), we get a palindrome (3331526251333).

The spelling of 2000203231331 in words is "two trillion, two hundred three million, two hundred thirty-one thousand, three hundred thirty-one".