131324444603 has 32 divisors (see below), whose sum is σ = 150757286400. Its totient is φ = 113230656000.

The previous prime is 131324444597. The next prime is 131324444609. The reversal of 131324444603 is 306444423131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131324444597) and next prime (131324444609).

It is not a de Polignac number, because 131324444603 - 2²⁰ = 131323396027 is a prime.

It is a super-2 number, since 2×131324444603² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131324444609) 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, 35481653 + ... + 35485353.

It is an arithmetic number, because the mean of its divisors is an integer number (4711165200).

Almost surely, 2^131324444603 is an apocalyptic number.

131324444603 is a deficient number, since it is larger than the sum of its proper divisors (19432841797).

131324444603 is a wasteful number, since it uses less digits than its factorization.

131324444603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 131324444603 its reverse (306444423131), we get a palindrome (437768867734).

The spelling of 131324444603 in words is "one hundred thirty-one billion, three hundred twenty-four million, four hundred forty-four thousand, six hundred three".