7143311252 has 48 divisors (see below), whose sum is σ = 15625733760. Its totient is φ = 2775907200.

The previous prime is 7143311249. The next prime is 7143311281. The reversal of 7143311252 is 2521133417.

It is a congruent number.

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, 90002 + ... + 149622.

It is an arithmetic number, because the mean of its divisors is an integer number (325536120).

Almost surely, 2^7143311252 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 7143311252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7812866880).

7143311252 is an abundant number, since it is smaller than the sum of its proper divisors (8482422508).

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

7143311252 is a wasteful number, since it uses less digits than its factorization.

7143311252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60032 (or 60030 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 7143311252 is about 84518.1119760729. Note that the first 3 decimals coincide. The cubic root of 7143311252 is about 1925.8975969841.

Adding to 7143311252 its reverse (2521133417), we get a palindrome (9664444669).

The spelling of 7143311252 in words is "seven billion, one hundred forty-three million, three hundred eleven thousand, two hundred fifty-two".