131331113031332 has 24 divisors (see below), whose sum is σ = 231215036787000. Its totient is φ = 65269861454336.

The previous prime is 131331113031317. The next prime is 131331113031379. The reversal of 131331113031332 is 233130311133131.

It can be written as a sum of positive squares in 4 ways, for example, as 23618764087396 + 107712348943936 = 4859914^2 + 10378456^2 .

It is a super-2 number, since 2×131331113031332² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131331113031295 and 131331113031304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20634107 + ... + 26237922.

It is an arithmetic number, because the mean of its divisors is an integer number (9633959866125).

Almost surely, 2^{131331113031332} is an apocalyptic number.

It is an amenable number.

131331113031332 is a deficient number, since it is larger than the sum of its proper divisors (99883923755668).

131331113031332 is a wasteful number, since it uses less digits than its factorization.

131331113031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46876255 (or 46876253 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 29.

Adding to 131331113031332 its reverse (233130311133131), we get a palindrome (364461424164463).

The spelling of 131331113031332 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, one hundred thirteen million, thirty-one thousand, three hundred thirty-two".