131103102 has 24 divisors (see below), whose sum is σ = 283929624. Its totient is φ = 40339104.

The previous prime is 131103101. The next prime is 131103103. The reversal of 131103102 is 201301131.

It is an interprime number because it is at equal distance from previous prime (131103101) and next prime (131103103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63633 + ... + 65660.

It is an arithmetic number, because the mean of its divisors is an integer number (11830401).

Almost surely, 2^131103102 is an apocalyptic number.

131103102 is an abundant number, since it is smaller than the sum of its proper divisors (152826522).

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

131103102 is a wasteful number, since it uses less digits than its factorization.

131103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129324 (or 129311 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 131103102 is about 11450.0262881794. The cubic root of 131103102 is about 508.0085119577.

Adding to 131103102 its reverse (201301131), we get a palindrome (332404233).

The spelling of 131103102 in words is "one hundred thirty-one million, one hundred three thousand, one hundred two".