312343020213402 has 16 divisors (see below), whose sum is σ = 624692301442560. Its totient is φ = 104113296568512.

The previous prime is 312343020213401. The next prime is 312343020213443. The reversal of 312343020213402 is 204312020343213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312343020213402.

It is not an unprimeable number, because it can be changed into a prime (312343020213401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 260227002 + ... + 261424517.

It is an arithmetic number, because the mean of its divisors is an integer number (39043268840160).

Almost surely, 2^{312343020213402} is an apocalyptic number.

312343020213402 is an abundant number, since it is smaller than the sum of its proper divisors (312349281229158).

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

312343020213402 is a wasteful number, since it uses less digits than its factorization.

312343020213402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521751317.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 312343020213402 its reverse (204312020343213), we get a palindrome (516655040556615).

The spelling of 312343020213402 in words is "three hundred twelve trillion, three hundred forty-three billion, twenty million, two hundred thirteen thousand, four hundred two".