320103310142 has 48 divisors (see below), whose sum is σ = 603728240640. Its totient is φ = 124600124880.

The previous prime is 320103310139. The next prime is 320103310157. The reversal of 320103310142 is 241013301023.

It is a super-2 number, since 2×320103310142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1754459 + ... + 1928297.

It is an arithmetic number, because the mean of its divisors is an integer number (12577671680).

Almost surely, 2^320103310142 is an apocalyptic number.

320103310142 is a deficient number, since it is larger than the sum of its proper divisors (283624930498).

320103310142 is a wasteful number, since it uses less digits than its factorization.

320103310142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174957 (or 174946 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 320103310142 its reverse (241013301023), we get a palindrome (561116611165).

The spelling of 320103310142 in words is "three hundred twenty billion, one hundred three million, three hundred ten thousand, one hundred forty-two".