3144311320 has 64 divisors (see below), whose sum is σ = 7274111040. Its totient is φ = 1222502400.

The previous prime is 3144311281. The next prime is 3144311321. The reversal of 3144311320 is 231134413.

It is a junction number, because it is equal to n+sod(n) for n = 3144311291 and 3144311300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144311321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457429 + ... + 464251.

It is an arithmetic number, because the mean of its divisors is an integer number (113657985).

Almost surely, 2^3144311320 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 3144311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3637055520).

3144311320 is an abundant number, since it is smaller than the sum of its proper divisors (4129799720).

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

3144311320 is a wasteful number, since it uses less digits than its factorization.

3144311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7156 (or 7152 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3144311320 is about 56074.1591109488. The cubic root of 3144311320 is about 1465.0142411457.

Adding to 3144311320 its reverse (231134413), we get a palindrome (3375445733).

The spelling of 3144311320 in words is "three billion, one hundred forty-four million, three hundred eleven thousand, three hundred twenty".