2031313004 has 48 divisors (see below), whose sum is σ = 4230804480. Its totient is φ = 834926400.

The previous prime is 2031313001. The next prime is 2031313007. The reversal of 2031313004 is 4003131302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2031313001) and next prime (2031313007).

It is not an unprimeable number, because it can be changed into a prime (2031313001) 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, 114329 + ... + 130895.

It is an arithmetic number, because the mean of its divisors is an integer number (88141760).

Almost surely, 2^2031313004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031313004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2115402240).

2031313004 is an abundant number, since it is smaller than the sum of its proper divisors (2199491476).

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

2031313004 is a wasteful number, since it uses less digits than its factorization.

2031313004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16758 (or 16756 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2031313004 is about 45070.0899045032. The cubic root of 2031313004 is about 1266.4623486081.

Adding to 2031313004 its reverse (4003131302), we get a palindrome (6034444306).

The spelling of 2031313004 in words is "two billion, thirty-one million, three hundred thirteen thousand, four".