30311210132 has 48 divisors (see below), whose sum is σ = 62662656000. Its totient is φ = 12554460000.

The previous prime is 30311210129. The next prime is 30311210159. The reversal of 30311210132 is 23101211303.

It is a self number, because there is not a number n which added to its sum of digits gives 30311210132.

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, 628619 + ... + 675117.

It is an arithmetic number, because the mean of its divisors is an integer number (1305472000).

Almost surely, 2^30311210132 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 30311210132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31331328000).

30311210132 is an abundant number, since it is smaller than the sum of its proper divisors (32351445868).

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

30311210132 is a wasteful number, since it uses less digits than its factorization.

30311210132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47292 (or 47290 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30311210132 its reverse (23101211303), we get a palindrome (53412421435).

The spelling of 30311210132 in words is "thirty billion, three hundred eleven million, two hundred ten thousand, one hundred thirty-two".