320312352356 has 6 divisors (see below), whose sum is σ = 560546616630. Its totient is φ = 160156176176.

The previous prime is 320312352323. The next prime is 320312352383. The reversal of 320312352356 is 653253213023.

It can be written as a sum of positive squares in only one way, i.e., 284206272100 + 36106080256 = 533110^2 + 190016^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40039044041 + ... + 40039044048.

It is an arithmetic number, because the mean of its divisors is an integer number (93424436105).

Almost surely, 2^320312352356 is an apocalyptic number.

It is an amenable number.

320312352356 is a deficient number, since it is larger than the sum of its proper divisors (240234264274).

320312352356 is a wasteful number, since it uses less digits than its factorization.

320312352356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80078088093 (or 80078088091 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 320312352356 its reverse (653253213023), we get a palindrome (973565565379).

The spelling of 320312352356 in words is "three hundred twenty billion, three hundred twelve million, three hundred fifty-two thousand, three hundred fifty-six".