312102030132 has 36 divisors (see below), whose sum is σ = 823225646880. Its totient is φ = 99510791952.

The previous prime is 312102030083. The next prime is 312102030139. The reversal of 312102030132 is 231030201213.

312102030132 is a `hidden beast` number, since 312 + 1 + 0 + 20 + 301 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312102030139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188466582 + ... + 188468237.

It is an arithmetic number, because the mean of its divisors is an integer number (22867379080).

Almost surely, 2^312102030132 is an apocalyptic number.

It is an amenable number.

312102030132 is an abundant number, since it is smaller than the sum of its proper divisors (511123616748).

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

312102030132 is a wasteful number, since it uses less digits than its factorization.

312102030132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376934852 (or 376934847 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 312102030132 its reverse (231030201213), we get a palindrome (543132231345).

The spelling of 312102030132 in words is "three hundred twelve billion, one hundred two million, thirty thousand, one hundred thirty-two".