131011031303 has 32 divisors (see below), whose sum is σ = 143803123200. Its totient is φ = 118950249600.

The previous prime is 131011031299. The next prime is 131011031321. The reversal of 131011031303 is 303130110131.

It is a cyclic number.

It is not a de Polignac number, because 131011031303 - 2² = 131011031299 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 (131011031323) 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, 7784768 + ... + 7801578.

It is an arithmetic number, because the mean of its divisors is an integer number (4493847600).

Almost surely, 2^131011031303 is an apocalyptic number.

131011031303 is a deficient number, since it is larger than the sum of its proper divisors (12792091897).

131011031303 is a wasteful number, since it uses less digits than its factorization.

131011031303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17063.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 131011031303 its reverse (303130110131), we get a palindrome (434141141434).

The spelling of 131011031303 in words is "one hundred thirty-one billion, eleven million, thirty-one thousand, three hundred three".