131573613673063 has 4 divisors (see below), whose sum is σ = 133426763161488. Its totient is φ = 129720464184640.

The previous prime is 131573613673039. The next prime is 131573613673091. The reversal of 131573613673063 is 360376316375131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131573613673063 - 2²¹ = 131573611575911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131573613672995 and 131573613673013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131573613673013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926574744106 + ... + 926574744247.

It is an arithmetic number, because the mean of its divisors is an integer number (33356690790372).

Almost surely, 2^{131573613673063} is an apocalyptic number.

131573613673063 is a deficient number, since it is larger than the sum of its proper divisors (1853149488425).

131573613673063 is an equidigital number, since it uses as much as digits as its factorization.

131573613673063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853149488424.

The product of its (nonzero) digits is 12859560, while the sum is 55.

The spelling of 131573613673063 in words is "one hundred thirty-one trillion, five hundred seventy-three billion, six hundred thirteen million, six hundred seventy-three thousand, sixty-three".