131165443110 has 64 divisors (see below), whose sum is σ = 341092217088. Its totient is φ = 32088783744.

The previous prime is 131165443099. The next prime is 131165443133. The reversal of 131165443110 is 11344561131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968092 + ... + 1095231.

It is an arithmetic number, because the mean of its divisors is an integer number (5329565892).

Almost surely, 2^131165443110 is an apocalyptic number.

131165443110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131165443110 is an abundant number, since it is smaller than the sum of its proper divisors (209926773978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131165443110 is a wasteful number, since it uses less digits than its factorization.

131165443110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063509.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 131165443110 in words is "one hundred thirty-one billion, one hundred sixty-five million, four hundred forty-three thousand, one hundred ten".