30312351132 has 24 divisors (see below), whose sum is σ = 80832936576. Its totient is φ = 8660671728.

The previous prime is 30312351131. The next prime is 30312351169. The reversal of 30312351132 is 23115321303.

It is a super-3 number, since 3×30312351132³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312351131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 180430578 + ... + 180430745.

It is an arithmetic number, because the mean of its divisors is an integer number (3368039024).

Almost surely, 2^30312351132 is an apocalyptic number.

It is an amenable number.

30312351132 is an abundant number, since it is smaller than the sum of its proper divisors (50520585444).

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

30312351132 is a wasteful number, since it uses less digits than its factorization.

30312351132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360861337 (or 360861335 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 30312351132 its reverse (23115321303), we get a palindrome (53427672435).

The spelling of 30312351132 in words is "thirty billion, three hundred twelve million, three hundred fifty-one thousand, one hundred thirty-two".