131403323433 has 8 divisors (see below), whose sum is σ = 175836939328. Its totient is φ = 87285961584.

The previous prime is 131403323431. The next prime is 131403323453. The reversal of 131403323433 is 334323304131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131403323433 - 2¹ = 131403323431 is a prime.

It is a super-3 number, since 3×131403323433³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131403323433.

It is not an unprimeable number, because it can be changed into a prime (131403323431) 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 7 ways as a sum of consecutive naturals, for example, 79062541 + ... + 79064202.

It is an arithmetic number, because the mean of its divisors is an integer number (21979617416).

Almost surely, 2^131403323433 is an apocalyptic number.

It is an amenable number.

131403323433 is a deficient number, since it is larger than the sum of its proper divisors (44433615895).

131403323433 is a wasteful number, since it uses less digits than its factorization.

131403323433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158127023.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 131403323433 its reverse (334323304131), we get a palindrome (465726627564).

The spelling of 131403323433 in words is "one hundred thirty-one billion, four hundred three million, three hundred twenty-three thousand, four hundred thirty-three".