131203203313 has 32 divisors (see below), whose sum is σ = 173877822720. Its totient is φ = 96046663680.

The previous prime is 131203203293. The next prime is 131203203361. The reversal of 131203203313 is 313302302131.

It is a cyclic number.

It is not a de Polignac number, because 131203203313 - 2¹⁷ = 131203072241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131203603313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627468 + ... + 810013.

It is an arithmetic number, because the mean of its divisors is an integer number (5433681960).

Almost surely, 2^131203203313 is an apocalyptic number.

131203203313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131203203313 is a deficient number, since it is larger than the sum of its proper divisors (42674619407).

131203203313 is a wasteful number, since it uses less digits than its factorization.

131203203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437577.

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

Adding to 131203203313 its reverse (313302302131), we get a palindrome (444505505444).

The spelling of 131203203313 in words is "one hundred thirty-one billion, two hundred three million, two hundred three thousand, three hundred thirteen".