30312010203132 has 24 divisors (see below), whose sum is σ = 80832027208576. Its totient is φ = 8660574343728.

The previous prime is 30312010203127. The next prime is 30312010203133. The reversal of 30312010203132 is 23130201021303.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30312010203099 and 30312010203108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312010203133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180428632078 + ... + 180428632245.

Almost surely, 2^{30312010203132} is an apocalyptic number.

It is an amenable number.

30312010203132 is an abundant number, since it is smaller than the sum of its proper divisors (50520017005444).

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

30312010203132 is a wasteful number, since it uses less digits than its factorization.

30312010203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360857264337 (or 360857264335 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30312010203132 its reverse (23130201021303), we get a palindrome (53442211224435).

The spelling of 30312010203132 in words is "thirty trillion, three hundred twelve billion, ten million, two hundred three thousand, one hundred thirty-two".