312142332322402 has 8 divisors (see below), whose sum is σ = 468992555887212. Its totient is φ = 155811480360000.

The previous prime is 312142332322399. The next prime is 312142332322433. The reversal of 312142332322402 is 204223233241213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 302203073552121 + 9939258770281 = 17383989^2 + 3152659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 129842899099 + ... + 129842901502.

Almost surely, 2^{312142332322402} is an apocalyptic number.

312142332322402 is a deficient number, since it is larger than the sum of its proper divisors (156850223564810).

312142332322402 is a wasteful number, since it uses less digits than its factorization.

312142332322402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259685801204.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 312142332322402 its reverse (204223233241213), we get a palindrome (516365565563615).

The spelling of 312142332322402 in words is "three hundred twelve trillion, one hundred forty-two billion, three hundred thirty-two million, three hundred twenty-two thousand, four hundred two".