2031330133 has 12 divisors (see below), whose sum is σ = 2363762412. Its totient is φ = 1740560640.

The previous prime is 2031330101. The next prime is 2031330137. The reversal of 2031330133 is 3310331302.

It can be written as a sum of positive squares in 2 ways, for example, as 927628849 + 1103701284 = 30457^2 + 33222^2 .

It is not a de Polignac number, because 2031330133 - 2⁵ = 2031330101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031330133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031330137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211941 + ... + 221317.

It is an arithmetic number, because the mean of its divisors is an integer number (196980201).

Almost surely, 2^2031330133 is an apocalyptic number.

It is an amenable number.

2031330133 is a deficient number, since it is larger than the sum of its proper divisors (332432279).

2031330133 is an equidigital number, since it uses as much as digits as its factorization.

2031330133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13812 (or 13805 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 2031330133 is about 45070.2799303488. The cubic root of 2031330133 is about 1266.4659084029.

Adding to 2031330133 its reverse (3310331302), we get a palindrome (5341661435).

The spelling of 2031330133 in words is "two billion, thirty-one million, three hundred thirty thousand, one hundred thirty-three".