131213113003 has 4 divisors (see below), whose sum is σ = 149957843440. Its totient is φ = 112468382568.

The previous prime is 131213113001. The next prime is 131213113019. The reversal of 131213113003 is 300311312131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300311312131 = 677 ⋅443591303.

It is a cyclic number.

It is not a de Polignac number, because 131213113003 - 2¹ = 131213113001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131213113001) 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, 9372365208 + ... + 9372365221.

It is an arithmetic number, because the mean of its divisors is an integer number (37489460860).

Almost surely, 2^131213113003 is an apocalyptic number.

131213113003 is a deficient number, since it is larger than the sum of its proper divisors (18744730437).

131213113003 is an equidigital number, since it uses as much as digits as its factorization.

131213113003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18744730436.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131213113003 its reverse (300311312131), we get a palindrome (431524425134).

The spelling of 131213113003 in words is "one hundred thirty-one billion, two hundred thirteen million, one hundred thirteen thousand, three".