131616602043 has 4 divisors (see below), whose sum is σ = 175488802728. Its totient is φ = 87744401360.

The previous prime is 131616602041. The next prime is 131616602059. The reversal of 131616602043 is 340206616131.

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 131616602043 - 2¹ = 131616602041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131616601995 and 131616602013.

It is not an unprimeable number, because it can be changed into a prime (131616602041) 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, 21936100338 + ... + 21936100343.

It is an arithmetic number, because the mean of its divisors is an integer number (43872200682).

Almost surely, 2^131616602043 is an apocalyptic number.

131616602043 is a deficient number, since it is larger than the sum of its proper divisors (43872200685).

131616602043 is an equidigital number, since it uses as much as digits as its factorization.

131616602043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43872200684.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 131616602043 in words is "one hundred thirty-one billion, six hundred sixteen million, six hundred two thousand, forty-three".