2141031312 has 160 divisors (see below), whose sum is σ = 7056691200. Its totient is φ = 608833152.

The previous prime is 2141031287. The next prime is 2141031313. The reversal of 2141031312 is 2131301412.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2141031313) 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, 684889 + ... + 688007.

It is an arithmetic number, because the mean of its divisors is an integer number (44104320).

Almost surely, 2^2141031312 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 2141031312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3528345600).

2141031312 is an abundant number, since it is smaller than the sum of its proper divisors (4915659888).

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

2141031312 is a wasteful number, since it uses less digits than its factorization.

2141031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370 (or 3358 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2141031312 is about 46271.2795587068. The cubic root of 2141031312 is about 1288.8657200794.

Adding to 2141031312 its reverse (2131301412), we get a palindrome (4272332724).

The spelling of 2141031312 in words is "two billion, one hundred forty-one million, thirty-one thousand, three hundred twelve".