131112102 has 16 divisors (see below), whose sum is σ = 286062912. Its totient is φ = 39730920.

The previous prime is 131112097. The next prime is 131112131. The reversal of 131112102 is 201211131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993208 + ... + 993339.

It is an arithmetic number, because the mean of its divisors is an integer number (17878932).

Almost surely, 2^131112102 is an apocalyptic number.

131112102 is an abundant number, since it is smaller than the sum of its proper divisors (154950810).

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

131112102 is a wasteful number, since it uses less digits than its factorization.

131112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986563.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 131112102 is about 11450.4192936329. The cubic root of 131112102 is about 508.0201363254.

Adding to 131112102 its reverse (201211131), we get a palindrome (332323233).

The spelling of 131112102 in words is "one hundred thirty-one million, one hundred twelve thousand, one hundred two".