320121103130 has 8 divisors (see below), whose sum is σ = 576217985652. Its totient is φ = 128048441248.

The previous prime is 320121103123. The next prime is 320121103139. The reversal of 320121103130 is 31301121023.

It can be written as a sum of positive squares in 2 ways, for example, as 262454363809 + 57666739321 = 512303^2 + 240139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×320121103130³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320121103099 and 320121103108.

It is not an unprimeable number, because it can be changed into a prime (320121103139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16006055147 + ... + 16006055166.

Almost surely, 2^320121103130 is an apocalyptic number.

320121103130 is a deficient number, since it is larger than the sum of its proper divisors (256096882522).

320121103130 is a wasteful number, since it uses less digits than its factorization.

320121103130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32012110320.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 320121103130 its reverse (31301121023), we get a palindrome (351422224153).

The spelling of 320121103130 in words is "three hundred twenty billion, one hundred twenty-one million, one hundred three thousand, one hundred thirty".