131331020003 has 4 divisors (see below), whose sum is σ = 131332481088. Its totient is φ = 131329558920.

The previous prime is 131331019979. The next prime is 131331020011. The reversal of 131331020003 is 300020133131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300020133131 = 127 ⋅2362363253.

It is a cyclic number.

It is not a de Polignac number, because 131331020003 - 2⁸ = 131331019747 is a prime.

It is a super-2 number, since 2×131331020003² (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 (131331020033) 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, 586208 + ... + 778653.

It is an arithmetic number, because the mean of its divisors is an integer number (32833120272).

Almost surely, 2^131331020003 is an apocalyptic number.

131331020003 is a deficient number, since it is larger than the sum of its proper divisors (1461085).

131331020003 is an equidigital number, since it uses as much as digits as its factorization.

131331020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461084.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 131331020003 its reverse (300020133131), we get a palindrome (431351153134).

The spelling of 131331020003 in words is "one hundred thirty-one billion, three hundred thirty-one million, twenty thousand, three".