131561330753 has 8 divisors (see below), whose sum is σ = 139472010720. Its totient is φ = 123669737280.

The previous prime is 131561330749. The next prime is 131561330837. The reversal of 131561330753 is 357033165131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131561330753 - 2² = 131561330749 is a prime.

It is a super-3 number, since 3×131561330753³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131561335753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4757423 + ... + 4784996.

It is an arithmetic number, because the mean of its divisors is an integer number (17434001340).

Almost surely, 2^131561330753 is an apocalyptic number.

It is an amenable number.

131561330753 is a deficient number, since it is larger than the sum of its proper divisors (7910679967).

131561330753 is an equidigital number, since it uses as much as digits as its factorization.

131561330753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9543247.

The product of its (nonzero) digits is 85050, while the sum is 38.

Adding to 131561330753 its reverse (357033165131), we get a palindrome (488594495884).

The spelling of 131561330753 in words is "one hundred thirty-one billion, five hundred sixty-one million, three hundred thirty thousand, seven hundred fifty-three".