131197402886 has 8 divisors (see below), whose sum is σ = 214686659304. Its totient is φ = 59635183120.

The previous prime is 131197402877. The next prime is 131197402939. The reversal of 131197402886 is 688204791131.

It is a happy number.

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

It is a super-2 number, since 2×131197402886² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2981759135 + ... + 2981759178.

It is an arithmetic number, because the mean of its divisors is an integer number (26835832413).

Almost surely, 2^131197402886 is an apocalyptic number.

131197402886 is a deficient number, since it is larger than the sum of its proper divisors (83489256418).

131197402886 is a wasteful number, since it uses less digits than its factorization.

131197402886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5963518326.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 131197402886 in words is "one hundred thirty-one billion, one hundred ninety-seven million, four hundred two thousand, eight hundred eighty-six".