131403430033 has 4 divisors (see below), whose sum is σ = 131404184548. Its totient is φ = 131402675520.

The previous prime is 131403430009. The next prime is 131403430043. The reversal of 131403430033 is 330034304131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 59218249104 + 72185180929 = 243348^2 + 268673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403430033 is a prime.

It is a super-2 number, since 2×131403430033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131403430043) 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, 31885 + ... + 513637.

It is an arithmetic number, because the mean of its divisors is an integer number (32851046137).

Almost surely, 2^131403430033 is an apocalyptic number.

It is an amenable number.

131403430033 is a deficient number, since it is larger than the sum of its proper divisors (754515).

131403430033 is an equidigital number, since it uses as much as digits as its factorization.

131403430033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754514.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 131403430033 its reverse (330034304131), we get a palindrome (461437734164).

The spelling of 131403430033 in words is "one hundred thirty-one billion, four hundred three million, four hundred thirty thousand, thirty-three".