131403372163 has 8 divisors (see below), whose sum is σ = 153370501632. Its totient is φ = 110235047496.

The previous prime is 131403372157. The next prime is 131403372173. The reversal of 131403372163 is 361273304131.

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

It is not a de Polignac number, because 131403372163 - 2⁵ = 131403372131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131403372143) 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, 199700845 + ... + 199701502.

It is an arithmetic number, because the mean of its divisors is an integer number (19171312704).

Almost surely, 2^131403372163 is an apocalyptic number.

131403372163 is a deficient number, since it is larger than the sum of its proper divisors (21967129469).

131403372163 is an equidigital number, since it uses as much as digits as its factorization.

131403372163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399402401.

The product of its (nonzero) digits is 27216, while the sum is 34.

Adding to 131403372163 its reverse (361273304131), we get a palindrome (492676676294).

The spelling of 131403372163 in words is "one hundred thirty-one billion, four hundred three million, three hundred seventy-two thousand, one hundred sixty-three".