312030340440202 has 16 divisors (see below), whose sum is σ = 468232671617280. Its totient is φ = 155952787707808.

The previous prime is 312030340440197. The next prime is 312030340440229. The reversal of 312030340440202 is 202044043030213.

It is a super-2 number, since 2×312030340440202² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140183973 + ... + 142392439.

It is an arithmetic number, because the mean of its divisors is an integer number (29264541976080).

Almost surely, 2^{312030340440202} is an apocalyptic number.

312030340440202 is a deficient number, since it is larger than the sum of its proper divisors (156202331177078).

312030340440202 is a wasteful number, since it uses less digits than its factorization.

312030340440202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236685.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 312030340440202 its reverse (202044043030213), we get a palindrome (514074383470415).

The spelling of 312030340440202 in words is "three hundred twelve trillion, thirty billion, three hundred forty million, four hundred forty thousand, two hundred two".