320342012146 has 32 divisors (see below), whose sum is σ = 525687926400. Its totient is φ = 145511103360.

The previous prime is 320342012099. The next prime is 320342012147. The reversal of 320342012146 is 641210243023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (320342012147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897885 + ... + 1202863.

It is an arithmetic number, because the mean of its divisors is an integer number (16427747700).

Almost surely, 2^320342012146 is an apocalyptic number.

320342012146 is a deficient number, since it is larger than the sum of its proper divisors (205345914254).

320342012146 is a wasteful number, since it uses less digits than its factorization.

320342012146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305634.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 320342012146 its reverse (641210243023), we get a palindrome (961552255169).

The spelling of 320342012146 in words is "three hundred twenty billion, three hundred forty-two million, twelve thousand, one hundred forty-six".