303142215340 has 96 divisors (see below), whose sum is σ = 700400590848. Its totient is φ = 109710720000.

The previous prime is 303142215319. The next prime is 303142215349. The reversal of 303142215340 is 43512241303.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 303142215299 and 303142215308.

It is not an unprimeable number, because it can be changed into a prime (303142215349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1496305 + ... + 1686775.

It is an arithmetic number, because the mean of its divisors is an integer number (7295839488).

Almost surely, 2^303142215340 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 303142215340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350200295424).

303142215340 is an abundant number, since it is smaller than the sum of its proper divisors (397258375508).

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

303142215340 is a wasteful number, since it uses less digits than its factorization.

303142215340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190679 (or 190677 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 303142215340 its reverse (43512241303), we get a palindrome (346654456643).

The spelling of 303142215340 in words is "three hundred three billion, one hundred forty-two million, two hundred fifteen thousand, three hundred forty".