131751112445 has 8 divisors (see below), whose sum is σ = 158672099544. Its totient is φ = 105020380224.

The previous prime is 131751112433. The next prime is 131751112457. The reversal of 131751112445 is 544211157131.

It is an interprime number because it is at equal distance from previous prime (131751112433) and next prime (131751112457).

It can be written as a sum of positive squares in 4 ways, for example, as 1388233081 + 130362879364 = 37259^2 + 361058^2 .

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 131751112445 - 2⁸ = 131751112189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47562194 + ... + 47564963.

It is an arithmetic number, because the mean of its divisors is an integer number (19834012443).

Almost surely, 2^131751112445 is an apocalyptic number.

It is an amenable number.

131751112445 is a deficient number, since it is larger than the sum of its proper divisors (26920987099).

131751112445 is an equidigital number, since it uses as much as digits as its factorization.

131751112445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95127439.

The product of its digits is 16800, while the sum is 35.

Adding to 131751112445 its reverse (544211157131), we get a palindrome (675962269576).

The spelling of 131751112445 in words is "one hundred thirty-one billion, seven hundred fifty-one million, one hundred twelve thousand, four hundred forty-five".