2031313000 has 64 divisors (see below), whose sum is σ = 5032918800. Its totient is φ = 764723200.

The previous prime is 2031312989. The next prime is 2031313001. The reversal of 2031313000 is 3131302.

It can be written as a sum of positive squares in 8 ways, for example, as 48748324 + 1982564676 = 6982^2 + 44526^2 .

It is not an unprimeable number, because it can be changed into a prime (2031313001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 42745 + ... + 76744.

Almost surely, 2^2031313000 is an apocalyptic number.

2031313000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031313000 is an abundant number, since it is smaller than the sum of its proper divisors (3001605800).

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

2031313000 is a wasteful number, since it uses less digits than its factorization.

2031313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119527 (or 119513 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 2031313000 is about 45070.0898601279. The cubic root of 2031313000 is about 1266.4623477768.

Adding to 2031313000 its reverse (3131302), we get a palindrome (2034444302).

The spelling of 2031313000 in words is "two billion, thirty-one million, three hundred thirteen thousand".