131212023031332 has 48 divisors (see below), whose sum is σ = 340372713049600. Its totient is φ = 43712476057440.

The previous prime is 131212023031321. The next prime is 131212023031387. The reversal of 131212023031332 is 233130320212131.

131212023031332 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 20 + 2 + 303 + 1 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 131212023031296 and 131212023031305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345155719 + ... + 345535662.

Almost surely, 2^{131212023031332} is an apocalyptic number.

131212023031332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131212023031332 is an abundant number, since it is smaller than the sum of its proper divisors (209160690018268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131212023031332 is a wasteful number, since it uses less digits than its factorization.

131212023031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690693153 (or 690693145 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 131212023031332 its reverse (233130320212131), we get a palindrome (364342343243463).

The spelling of 131212023031332 in words is "one hundred thirty-one trillion, two hundred twelve billion, twenty-three million, thirty-one thousand, three hundred thirty-two".