2031313533424 has 160 divisors (see below), whose sum is σ = 4684315184640. Its totient is φ = 834899788800.

The previous prime is 2031313533421. The next prime is 2031313533427. The reversal of 2031313533424 is 4243353131302.

It is an interprime number because it is at equal distance from previous prime (2031313533421) and next prime (2031313533427).

It is a self number, because there is not a number n which added to its sum of digits gives 2031313533424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031313533421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683712259 + ... + 683715229.

It is an arithmetic number, because the mean of its divisors is an integer number (29276969904).

Almost surely, 2^{2031313533424} 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 2031313533424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2342157592320).

2031313533424 is an abundant number, since it is smaller than the sum of its proper divisors (2653001651216).

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

2031313533424 is a wasteful number, since it uses less digits than its factorization.

2031313533424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359 (or 4353 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 2031313533424 its reverse (4243353131302), we get a palindrome (6274666664726).

The spelling of 2031313533424 in words is "two trillion, thirty-one billion, three hundred thirteen million, five hundred thirty-three thousand, four hundred twenty-four".