320133113145321 has 32 divisors (see below), whose sum is σ = 503686966714368. Its totient is φ = 176986823368320.

The previous prime is 320133113145289. The next prime is 320133113145427. The reversal of 320133113145321 is 123541311331023.

It is not a de Polignac number, because 320133113145321 - 2⁵ = 320133113145289 is a prime.

It is a super-2 number, since 2×320133113145321² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320133113145221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60389220 + ... + 65476133.

It is an arithmetic number, because the mean of its divisors is an integer number (15740217709824).

Almost surely, 2^{320133113145321} is an apocalyptic number.

320133113145321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

320133113145321 is a deficient number, since it is larger than the sum of its proper divisors (183553853569047).

320133113145321 is a wasteful number, since it uses less digits than its factorization.

320133113145321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125869301.

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 320133113145321 its reverse (123541311331023), we get a palindrome (443674424476344).

The spelling of 320133113145321 in words is "three hundred twenty trillion, one hundred thirty-three billion, one hundred thirteen million, one hundred forty-five thousand, three hundred twenty-one".