131240012242433 has 4 divisors (see below), whose sum is σ = 131828532476928. Its totient is φ = 130651492007940.

The previous prime is 131240012242379. The next prime is 131240012242439. The reversal of 131240012242433 is 334242210042131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131240012242433 - 2¹⁰ = 131240012241409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131240012242433.

It is not an unprimeable number, because it can be changed into a prime (131240012242439) 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, 294260116913 + ... + 294260117358.

It is an arithmetic number, because the mean of its divisors is an integer number (32957133119232).

Almost surely, 2^{131240012242433} is an apocalyptic number.

It is an amenable number.

131240012242433 is a deficient number, since it is larger than the sum of its proper divisors (588520234495).

131240012242433 is an equidigital number, since it uses as much as digits as its factorization.

131240012242433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588520234494.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131240012242433 its reverse (334242210042131), we get a palindrome (465482222284564).

The spelling of 131240012242433 in words is "one hundred thirty-one trillion, two hundred forty billion, twelve million, two hundred forty-two thousand, four hundred thirty-three".