131111032102 has 16 divisors (see below), whose sum is σ = 199902955392. Its totient is φ = 64476846720.

The previous prime is 131111032081. The next prime is 131111032147. The reversal of 131111032102 is 201230111131.

It is a happy number.

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, 3365278 + ... + 3404014.

It is an arithmetic number, because the mean of its divisors is an integer number (12493934712).

Almost surely, 2^131111032102 is an apocalyptic number.

131111032102 is a deficient number, since it is larger than the sum of its proper divisors (68791923290).

131111032102 is a wasteful number, since it uses less digits than its factorization.

131111032102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66543.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131111032102 its reverse (201230111131), we get a palindrome (332341143233).

The spelling of 131111032102 in words is "one hundred thirty-one billion, one hundred eleven million, thirty-two thousand, one hundred two".