131013212003 has 4 divisors (see below), whose sum is σ = 133800727200. Its totient is φ = 128225696808.

The previous prime is 131013211999. The next prime is 131013212023. The reversal of 131013212003 is 300212310131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131013212003 - 2² = 131013211999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131013212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393757528 + ... + 1393757621.

It is an arithmetic number, because the mean of its divisors is an integer number (33450181800).

Almost surely, 2^131013212003 is an apocalyptic number.

131013212003 is a deficient number, since it is larger than the sum of its proper divisors (2787515197).

131013212003 is an equidigital number, since it uses as much as digits as its factorization.

131013212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787515196.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131013212003 its reverse (300212310131), we get a palindrome (431225522134).

The spelling of 131013212003 in words is "one hundred thirty-one billion, thirteen million, two hundred twelve thousand, three".