2031133340 has 12 divisors (see below), whose sum is σ = 4265380056. Its totient is φ = 812453328.

The previous prime is 2031133333. The next prime is 2031133387. The reversal of 2031133340 is 433311302.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 101556667 = 2031133340 / (2 + 0 + 3 + 1 + 1 + 3 + 3 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50778314 + ... + 50778353.

It is an arithmetic number, because the mean of its divisors is an integer number (355448338).

Almost surely, 2^2031133340 is an apocalyptic number.

2031133340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031133340 is an abundant number, since it is smaller than the sum of its proper divisors (2234246716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031133340 is a wasteful number, since it uses less digits than its factorization.

2031133340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101556676 (or 101556674 counting only the distinct ones).

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

The square root of 2031133340 is about 45068.0966982188. The cubic root of 2031133340 is about 1266.4250091467.

Adding to 2031133340 its reverse (433311302), we get a palindrome (2464444642).

The spelling of 2031133340 in words is "two billion, thirty-one million, one hundred thirty-three thousand, three hundred forty".