131504322986 has 16 divisors (see below), whose sum is σ = 199982615424. Its totient is φ = 64843667424.

The previous prime is 131504322979. The next prime is 131504323031. The reversal of 131504322986 is 689223405131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279565 + ... + 1378511.

It is an arithmetic number, because the mean of its divisors is an integer number (12498913464).

Almost surely, 2^131504322986 is an apocalyptic number.

131504322986 is a deficient number, since it is larger than the sum of its proper divisors (68478292438).

131504322986 is an equidigital number, since it uses as much as digits as its factorization.

131504322986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108125.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 131504322986 in words is "one hundred thirty-one billion, five hundred four million, three hundred twenty-two thousand, nine hundred eighty-six".