131311102 has 16 divisors (see below), whose sum is σ = 218961792. Its totient is φ = 58649760.

The previous prime is 131311099. The next prime is 131311123. The reversal of 131311102 is 201113131.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 80653 + ... + 82264.

It is an arithmetic number, because the mean of its divisors is an integer number (13685112).

Almost surely, 2^131311102 is an apocalyptic number.

131311102 is a deficient number, since it is larger than the sum of its proper divisors (87650690).

131311102 is a wasteful number, since it uses less digits than its factorization.

131311102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162963.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 131311102 is about 11459.1056370033. The cubic root of 131311102 is about 508.2770282048.

Adding to 131311102 its reverse (201113131), we get a palindrome (332424233).

The spelling of 131311102 in words is "one hundred thirty-one million, three hundred eleven thousand, one hundred two".