131433430153 has 4 divisors (see below), whose sum is σ = 134985685060. Its totient is φ = 127881175248.

The previous prime is 131433430147. The next prime is 131433430169. The reversal of 131433430153 is 351034334131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55878813769 + 75554616384 = 236387^2 + 274872^2 .

It is a cyclic number.

It is not a de Polignac number, because 131433430153 - 2²⁵ = 131399875721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131433430133) 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, 1776127398 + ... + 1776127471.

It is an arithmetic number, because the mean of its divisors is an integer number (33746421265).

Almost surely, 2^131433430153 is an apocalyptic number.

It is an amenable number.

131433430153 is a deficient number, since it is larger than the sum of its proper divisors (3552254907).

131433430153 is an equidigital number, since it uses as much as digits as its factorization.

131433430153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552254906.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 131433430153 its reverse (351034334131), we get a palindrome (482467764284).

The spelling of 131433430153 in words is "one hundred thirty-one billion, four hundred thirty-three million, four hundred thirty thousand, one hundred fifty-three".