131212314232 has 16 divisors (see below), whose sum is σ = 247106894760. Its totient is φ = 65317142304.

The previous prime is 131212314229. The next prime is 131212314239. The reversal of 131212314232 is 232413212131.

It is a super-2 number, since 2×131212314232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131212314197 and 131212314206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212314239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36124923 + ... + 36128554.

Almost surely, 2^131212314232 is an apocalyptic number.

It is an amenable number.

131212314232 is a deficient number, since it is larger than the sum of its proper divisors (115894580528).

131212314232 is a wasteful number, since it uses less digits than its factorization.

131212314232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72253710 (or 72253706 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 131212314232 its reverse (232413212131), we get a palindrome (363625526363).

The spelling of 131212314232 in words is "one hundred thirty-one billion, two hundred twelve million, three hundred fourteen thousand, two hundred thirty-two".