312440320134 has 48 divisors (see below), whose sum is σ = 680833913760. Its totient is φ = 103550106240.

The previous prime is 312440320111. The next prime is 312440320219. The reversal of 312440320134 is 431023044213.

312440320134 is a `hidden beast` number, since 3 + 1 + 24 + 403 + 201 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 312440320098 and 312440320107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28687762 + ... + 28698650.

It is an arithmetic number, because the mean of its divisors is an integer number (14184039870).

Almost surely, 2^312440320134 is an apocalyptic number.

312440320134 is an abundant number, since it is smaller than the sum of its proper divisors (368393593626).

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

312440320134 is a wasteful number, since it uses less digits than its factorization.

312440320134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19885 (or 19882 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 312440320134 its reverse (431023044213), we get a palindrome (743463364347).

The spelling of 312440320134 in words is "three hundred twelve billion, four hundred forty million, three hundred twenty thousand, one hundred thirty-four".