312403113020340 has 96 divisors (see below), whose sum is σ = 976956655436160. Its totient is φ = 82875851716608.

The previous prime is 312403113020267. The next prime is 312403113020459. The reversal of 312403113020340 is 43020311304213.

It is a happy number.

312403113020340 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 0 + 3 + 11 + 302 + 0 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1498663354 + ... + 1498871793.

It is an arithmetic number, because the mean of its divisors is an integer number (10176631827460).

Almost surely, 2^{312403113020340} is an apocalyptic number.

312403113020340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312403113020340 is an abundant number, since it is smaller than the sum of its proper divisors (664553542415820).

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

312403113020340 is a wasteful number, since it uses less digits than its factorization.

312403113020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997535358 (or 2997535350 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 312403113020340 its reverse (43020311304213), we get a palindrome (355423424324553).

The spelling of 312403113020340 in words is "three hundred twelve trillion, four hundred three billion, one hundred thirteen million, twenty thousand, three hundred forty".