30312332545164 has 12 divisors (see below), whose sum is σ = 70728775938744. Its totient is φ = 10104110848384.

The previous prime is 30312332545139. The next prime is 30312332545169. The reversal of 30312332545164 is 46154523321303.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (30312332545169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263013856037 + ... + 1263013856060.

It is an arithmetic number, because the mean of its divisors is an integer number (5894064661562).

Almost surely, 2^{30312332545164} is an apocalyptic number.

It is an amenable number.

30312332545164 is an abundant number, since it is smaller than the sum of its proper divisors (40416443393580).

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

30312332545164 is a wasteful number, since it uses less digits than its factorization.

30312332545164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526027712104 (or 2526027712102 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 30312332545164 its reverse (46154523321303), we get a palindrome (76466855866467).

The spelling of 30312332545164 in words is "thirty trillion, three hundred twelve billion, three hundred thirty-two million, five hundred forty-five thousand, one hundred sixty-four".