304130252532 has 48 divisors (see below), whose sum is σ = 716043867840. Its totient is φ = 100461838848.

The previous prime is 304130252507. The next prime is 304130252551. The reversal of 304130252532 is 235252031403.

It is a super-2 number, since 2×304130252532² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 304130252532.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9243703 + ... + 9276545.

It is an arithmetic number, because the mean of its divisors is an integer number (14917580580).

Almost surely, 2^304130252532 is an apocalyptic number.

It is an amenable number.

304130252532 is an abundant number, since it is smaller than the sum of its proper divisors (411913615308).

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

304130252532 is a wasteful number, since it uses less digits than its factorization.

304130252532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39792 (or 39790 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 304130252532 its reverse (235252031403), we get a palindrome (539382283935).

The spelling of 304130252532 in words is "three hundred four billion, one hundred thirty million, two hundred fifty-two thousand, five hundred thirty-two".