3144012520 has 64 divisors (see below), whose sum is σ = 7832376000. Its totient is φ = 1126202880.

The previous prime is 3144012499. The next prime is 3144012539. The reversal of 3144012520 is 252104413.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3144012491 and 3144012500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23845 + ... + 82804.

It is an arithmetic number, because the mean of its divisors is an integer number (122380875).

Almost surely, 2^3144012520 is an apocalyptic number.

It is an amenable number.

3144012520 is an abundant number, since it is smaller than the sum of its proper divisors (4688363480).

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

3144012520 is a wasteful number, since it uses less digits than its factorization.

3144012520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106738 (or 106734 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3144012520 is about 56071.4947187963. The cubic root of 3144012520 is about 1464.9678335143.

Adding to 3144012520 its reverse (252104413), we get a palindrome (3396116933).

The spelling of 3144012520 in words is "three billion, one hundred forty-four million, twelve thousand, five hundred twenty".