131321031131012 has 12 divisors (see below), whose sum is σ = 232580621401296. Its totient is φ = 64869425016360.

The previous prime is 131321031130997. The next prime is 131321031131021. The reversal of 131321031131012 is 210131130123131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197772636914 + ... + 197772637577.

It is an arithmetic number, because the mean of its divisors is an integer number (19381718450108).

Almost surely, 2^{131321031131012} is an apocalyptic number.

It is an amenable number.

131321031131012 is a deficient number, since it is larger than the sum of its proper divisors (101259590270284).

131321031131012 is a wasteful number, since it uses less digits than its factorization.

131321031131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395545274578 (or 395545274576 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 131321031131012 its reverse (210131130123131), we get a palindrome (341452161254143).

The spelling of 131321031131012 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, thirty-one million, one hundred thirty-one thousand, twelve".