131033331003 has 4 divisors (see below), whose sum is σ = 174711108008. Its totient is φ = 87355554000.

The previous prime is 131033330977. The next prime is 131033331007. The reversal of 131033331003 is 300133330131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300133330131 = 3 ⋅100044443377.

It is not a de Polignac number, because 131033331003 - 2⁵ = 131033330971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131033331007) 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, 21838888498 + ... + 21838888503.

It is an arithmetic number, because the mean of its divisors is an integer number (43677777002).

Almost surely, 2^131033331003 is an apocalyptic number.

131033331003 is a deficient number, since it is larger than the sum of its proper divisors (43677777005).

131033331003 is an equidigital number, since it uses as much as digits as its factorization.

131033331003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43677777004.

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 131033331003 its reverse (300133330131), we get a palindrome (431166661134).

The spelling of 131033331003 in words is "one hundred thirty-one billion, thirty-three million, three hundred thirty-one thousand, three".