131112211302102 has 32 divisors (see below), whose sum is σ = 267884064935424. Its totient is φ = 42761355040800.

The previous prime is 131112211302091. The next prime is 131112211302131. The reversal of 131112211302102 is 201203112211131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68850049 + ... + 70728732.

It is an arithmetic number, because the mean of its divisors is an integer number (8371377029232).

Almost surely, 2^{131112211302102} is an apocalyptic number.

131112211302102 is an abundant number, since it is smaller than the sum of its proper divisors (136771853633322).

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

131112211302102 is a wasteful number, since it uses less digits than its factorization.

131112211302102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139582164.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 131112211302102 its reverse (201203112211131), we get a palindrome (332315323513233).

The spelling of 131112211302102 in words is "one hundred thirty-one trillion, one hundred twelve billion, two hundred eleven million, three hundred two thousand, one hundred two".