131211143424 has 54 divisors (see below), whose sum is σ = 378314080326. Its totient is φ = 43737047040.

The previous prime is 131211143341. The next prime is 131211143467. The reversal of 131211143424 is 424341112131.

It is a happy number.

131211143424 is a `hidden beast` number, since 1 + 3 + 121 + 114 + 3 + 424 = 666.

It can be written as a sum of positive squares in only one way, i.e., 130812422400 + 398721024 = 361680^2 + 19968^2 .

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28472337 + ... + 28476944.

Almost surely, 2^131211143424 is an apocalyptic number.

It is an amenable number.

131211143424 is an abundant number, since it is smaller than the sum of its proper divisors (247102936902).

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

131211143424 is an equidigital number, since it uses as much as digits as its factorization.

131211143424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56949303 (or 56949286 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 131211143424 its reverse (424341112131), we get a palindrome (555552255555).

The spelling of 131211143424 in words is "one hundred thirty-one billion, two hundred eleven million, one hundred forty-three thousand, four hundred twenty-four".