131120304323503 has 16 divisors (see below), whose sum is σ = 143315215690752. Its totient is φ = 118971411012000.

The previous prime is 131120304323497. The next prime is 131120304323509. The reversal of 131120304323503 is 305323403021131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131120304323497) and next prime (131120304323509).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131120304323503 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 (131120304323509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7749598 + ... + 17952628.

It is an arithmetic number, because the mean of its divisors is an integer number (8957200980672).

Almost surely, 2^{131120304323503} is an apocalyptic number.

131120304323503 is a deficient number, since it is larger than the sum of its proper divisors (12194911367249).

131120304323503 is a wasteful number, since it uses less digits than its factorization.

131120304323503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10205286.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 131120304323503 its reverse (305323403021131), we get a palindrome (436443707344634).

The spelling of 131120304323503 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred four million, three hundred twenty-three thousand, five hundred three".