303131420152 has 64 divisors (see below), whose sum is σ = 640166768640. Its totient is φ = 133367673600.

The previous prime is 303131420077. The next prime is 303131420161. The reversal of 303131420152 is 251024131303.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127443 + ... + 788989.

It is an arithmetic number, because the mean of its divisors is an integer number (10002605760).

Almost surely, 2^303131420152 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 303131420152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320083384320).

303131420152 is an abundant number, since it is smaller than the sum of its proper divisors (337035348488).

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

303131420152 is a wasteful number, since it uses less digits than its factorization.

303131420152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661732 (or 661728 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 303131420152 its reverse (251024131303), we get a palindrome (554155551455).

The spelling of 303131420152 in words is "three hundred three billion, one hundred thirty-one million, four hundred twenty thousand, one hundred fifty-two".