3431111320 has 128 divisors (see below), whose sum is σ = 9695952000. Its totient is φ = 1085833728.

The previous prime is 3431111317. The next prime is 3431111329. The reversal of 3431111320 is 231111343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431111329) 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 31 ways as a sum of consecutive naturals, for example, 168742 + ... + 187978.

It is an arithmetic number, because the mean of its divisors is an integer number (75749625).

Almost surely, 2^3431111320 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 3431111320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4847976000).

3431111320 is an abundant number, since it is smaller than the sum of its proper divisors (6264840680).

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

3431111320 is a wasteful number, since it uses less digits than its factorization.

3431111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19282 (or 19264 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3431111320 is about 58575.6888137050. The cubic root of 3431111320 is about 1508.2671406975.

Adding to 3431111320 its reverse (231111343), we get a palindrome (3662222663).

The spelling of 3431111320 in words is "three billion, four hundred thirty-one million, one hundred eleven thousand, three hundred twenty".