131433211111208 has 16 divisors (see below), whose sum is σ = 248377721786880. Its totient is φ = 65199151968048.

The previous prime is 131433211111199. The next prime is 131433211111249. The reversal of 131433211111208 is 802111112334131.

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, 64681697366 + ... + 64681699397.

It is an arithmetic number, because the mean of its divisors is an integer number (15523607611680).

Almost surely, 2^{131433211111208} is an apocalyptic number.

It is an amenable number.

131433211111208 is a deficient number, since it is larger than the sum of its proper divisors (116944510675672).

131433211111208 is a wasteful number, since it uses less digits than its factorization.

131433211111208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129363396896 (or 129363396892 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

Adding to 131433211111208 its reverse (802111112334131), we get a palindrome (933544323445339).

The spelling of 131433211111208 in words is "one hundred thirty-one trillion, four hundred thirty-three billion, two hundred eleven million, one hundred eleven thousand, two hundred eight".