131103404582 has 4 divisors (see below), whose sum is σ = 196655106876. Its totient is φ = 65551702290.

The previous prime is 131103404581. The next prime is 131103404587. The reversal of 131103404582 is 285404301131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 285404301131 = 14731 ⋅19374401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103404581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32775851144 + ... + 32775851147.

It is an arithmetic number, because the mean of its divisors is an integer number (49163776719).

Almost surely, 2^131103404582 is an apocalyptic number.

131103404582 is a deficient number, since it is larger than the sum of its proper divisors (65551702294).

131103404582 is an equidigital number, since it uses as much as digits as its factorization.

131103404582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65551702293.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 131103404582 in words is "one hundred thirty-one billion, one hundred three million, four hundred four thousand, five hundred eighty-two".