312112011330 has 96 divisors (see below), whose sum is σ = 927604050048. Its totient is φ = 71325619200.

The previous prime is 312112011319. The next prime is 312112011353. The reversal of 312112011330 is 33110211213.

312112011330 is a `hidden beast` number, since 312 + 1 + 1 + 20 + 1 + 1 + 330 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3280125 + ... + 3373935.

It is an arithmetic number, because the mean of its divisors is an integer number (9662542188).

Almost surely, 2^312112011330 is an apocalyptic number.

312112011330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312112011330 is an abundant number, since it is smaller than the sum of its proper divisors (615492038718).

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

312112011330 is a wasteful number, since it uses less digits than its factorization.

312112011330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99112 (or 99109 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 312112011330 its reverse (33110211213), we get a palindrome (345222222543).

The spelling of 312112011330 in words is "three hundred twelve billion, one hundred twelve million, eleven thousand, three hundred thirty".