312002342 has 4 divisors (see below), whose sum is σ = 468003516. Its totient is φ = 156001170.

The previous prime is 312002323. The next prime is 312002357. The reversal of 312002342 is 243200213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243200213 = 12941 ⋅18793.

It is a super-2 number, since 2×312002342² = 194690922826969928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312002342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78000584 + ... + 78000587.

It is an arithmetic number, because the mean of its divisors is an integer number (117000879).

Almost surely, 2^312002342 is an apocalyptic number.

312002342 is a deficient number, since it is larger than the sum of its proper divisors (156001174).

312002342 is a wasteful number, since it uses less digits than its factorization.

312002342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156001173.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 312002342 is about 17663.5880273516. The cubic root of 312002342 is about 678.2439856535.

Adding to 312002342 its reverse (243200213), we get a palindrome (555202555).

The spelling of 312002342 in words is "three hundred twelve million, two thousand, three hundred forty-two".