131332321003 has 4 divisors (see below), whose sum is σ = 141434807248. Its totient is φ = 121229834760.

The previous prime is 131332320991. The next prime is 131332321007. The reversal of 131332321003 is 300123233131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300123233131 = 56249 ⋅5335619.

It is a cyclic number.

It is not a de Polignac number, because 131332321003 - 2³³ = 122742386411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131332321007) 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, 5051243103 + ... + 5051243128.

It is an arithmetic number, because the mean of its divisors is an integer number (35358701812).

Almost surely, 2^131332321003 is an apocalyptic number.

131332321003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131332321003 is a deficient number, since it is larger than the sum of its proper divisors (10102486245).

131332321003 is a wasteful number, since it uses less digits than its factorization.

131332321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102486244.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 131332321003 its reverse (300123233131), we get a palindrome (431455554134).

The spelling of 131332321003 in words is "one hundred thirty-one billion, three hundred thirty-two million, three hundred twenty-one thousand, three".