320342643370 has 16 divisors (see below), whose sum is σ = 576627527808. Its totient is φ = 128134664080.

The previous prime is 320342643359. The next prime is 320342643409. The reversal of 320342643370 is 73346243023.

It is a super-2 number, since 2×320342643370² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325035 + ... + 863905.

It is an arithmetic number, because the mean of its divisors is an integer number (36039220488).

Almost surely, 2^320342643370 is an apocalyptic number.

320342643370 is a deficient number, since it is larger than the sum of its proper divisors (256284884438).

320342643370 is a wasteful number, since it uses less digits than its factorization.

320342643370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598325.

The product of its (nonzero) digits is 217728, while the sum is 37.

Adding to 320342643370 its reverse (73346243023), we get a palindrome (393688886393).

The spelling of 320342643370 in words is "three hundred twenty billion, three hundred forty-two million, six hundred forty-three thousand, three hundred seventy".