131311202330321 has 32 divisors (see below), whose sum is σ = 152788558003200. Its totient is φ = 111937721091840.

The previous prime is 131311202330293. The next prime is 131311202330339. The reversal of 131311202330321 is 123033202113131.

It is not a de Polignac number, because 131311202330321 - 2⁴² = 126913155819217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131311202330221) 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, 78953825 + ... + 80599806.

It is an arithmetic number, because the mean of its divisors is an integer number (4774642437600).

Almost surely, 2^{131311202330321} is an apocalyptic number.

It is an amenable number.

131311202330321 is a deficient number, since it is larger than the sum of its proper divisors (21477355672879).

131311202330321 is a wasteful number, since it uses less digits than its factorization.

131311202330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159553769.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 131311202330321 its reverse (123033202113131), we get a palindrome (254344404443452).

The spelling of 131311202330321 in words is "one hundred thirty-one trillion, three hundred eleven billion, two hundred two million, three hundred thirty thousand, three hundred twenty-one".