131312011303 has 32 divisors (see below), whose sum is σ = 157923017280. Its totient is φ = 107814912000.

The previous prime is 131312011297. The next prime is 131312011351. The reversal of 131312011303 is 303110213131.

It is a de Polignac number, because none of the positive numbers 2^k-131312011303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131312011393) 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, 327303 + ... + 608071.

It is an arithmetic number, because the mean of its divisors is an integer number (4935094290).

Almost surely, 2^131312011303 is an apocalyptic number.

131312011303 is a deficient number, since it is larger than the sum of its proper divisors (26611005977).

131312011303 is a wasteful number, since it uses less digits than its factorization.

131312011303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280899.

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

Adding to 131312011303 its reverse (303110213131), we get a palindrome (434422224434).

The spelling of 131312011303 in words is "one hundred thirty-one billion, three hundred twelve million, eleven thousand, three hundred three".