3144431320 has 16 divisors (see below), whose sum is σ = 7074970560. Its totient is φ = 1257772512.

The previous prime is 3144431309. The next prime is 3144431341. The reversal of 3144431320 is 231344413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39305352 + ... + 39305431.

It is an arithmetic number, because the mean of its divisors is an integer number (442185660).

Almost surely, 2^3144431320 is an apocalyptic number.

It is an amenable number.

3144431320 is an abundant number, since it is smaller than the sum of its proper divisors (3930539240).

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

3144431320 is a wasteful number, since it uses less digits than its factorization.

3144431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78610794 (or 78610790 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3144431320 is about 56075.2291123273. The cubic root of 3144431320 is about 1465.0328779212.

Adding to 3144431320 its reverse (231344413), we get a palindrome (3375775733).

The spelling of 3144431320 in words is "three billion, one hundred forty-four million, four hundred thirty-one thousand, three hundred twenty".