2031315270 has 128 divisors (see below), whose sum is σ = 5291827200. Its totient is φ = 497363328.

The previous prime is 2031315241. The next prime is 2031315271. The reversal of 2031315270 is 725131302.

It is a super-2 number, since 2×2031315270² = 8252483452270345800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2031315270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031315271) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4387059 + ... + 4387521.

It is an arithmetic number, because the mean of its divisors is an integer number (41342400).

Almost surely, 2^2031315270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031315270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2645913600).

2031315270 is an abundant number, since it is smaller than the sum of its proper divisors (3260511930).

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

2031315270 is a wasteful number, since it uses less digits than its factorization.

2031315270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 2031315270 is about 45070.1150431192. The cubic root of 2031315270 is about 1266.4628195354.

Adding to 2031315270 its reverse (725131302), we get a palindrome (2756446572).

The spelling of 2031315270 in words is "two billion, thirty-one million, three hundred fifteen thousand, two hundred seventy".