312403313341040 has 40 divisors (see below), whose sum is σ = 738648512063280. Its totient is φ = 122843336769536.

The previous prime is 312403313340967. The next prime is 312403313341061. The reversal of 312403313341040 is 40143313304213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 312403313340988 and 312403313341006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33093566609 + ... + 33093576048.

It is an arithmetic number, because the mean of its divisors is an integer number (18466212801582).

Almost surely, 2^{312403313341040} is an apocalyptic number.

It is an amenable number.

312403313341040 is an abundant number, since it is smaller than the sum of its proper divisors (426245198722240).

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

312403313341040 is a wasteful number, since it uses less digits than its factorization.

312403313341040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66187142729 (or 66187142723 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 312403313341040 its reverse (40143313304213), we get a palindrome (352546626645253).

The spelling of 312403313341040 in words is "three hundred twelve trillion, four hundred three billion, three hundred thirteen million, three hundred forty-one thousand, forty".