131033231332 has 12 divisors (see below), whose sum is σ = 229310792620. Its totient is φ = 65515862016.

The previous prime is 131033231279. The next prime is 131033231339. The reversal of 131033231332 is 233132330131.

It can be written as a sum of positive squares in 2 ways, for example, as 70387273636 + 60645957696 = 265306^2 + 246264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131033231297 and 131033231306.

It is not an unprimeable number, because it can be changed into a prime (131033231339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423844 + ... + 664612.

Almost surely, 2^131033231332 is an apocalyptic number.

It is an amenable number.

131033231332 is a deficient number, since it is larger than the sum of its proper divisors (98277561288).

131033231332 is a wasteful number, since it uses less digits than its factorization.

131033231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376830 (or 376828 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 131033231332 its reverse (233132330131), we get a palindrome (364165561463).

The spelling of 131033231332 in words is "one hundred thirty-one billion, thirty-three million, two hundred thirty-one thousand, three hundred thirty-two".