131313120021332 has 96 divisors (see below), whose sum is σ = 253312016670720. Its totient is φ = 59283929738880.

The previous prime is 131313120021277. The next prime is 131313120021337. The reversal of 131313120021332 is 233120021313131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313120021337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3883722707 + ... + 3883756517.

It is an arithmetic number, because the mean of its divisors is an integer number (2638666840320).

Almost surely, 2^{131313120021332} is an apocalyptic number.

It is an amenable number.

131313120021332 is a deficient number, since it is larger than the sum of its proper divisors (121998896649388).

131313120021332 is a wasteful number, since it uses less digits than its factorization.

131313120021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41733 (or 41731 counting only the distinct ones).

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

Adding to 131313120021332 its reverse (233120021313131), we get a palindrome (364433141334463).

The spelling of 131313120021332 in words is "one hundred thirty-one trillion, three hundred thirteen billion, one hundred twenty million, twenty-one thousand, three hundred thirty-two".