131421102 has 16 divisors (see below), whose sum is σ = 263125632. Its totient is φ = 43759800.

The previous prime is 131421091. The next prime is 131421109. The reversal of 131421102 is 201124131.

131421102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131421109) 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 7 ways as a sum of consecutive naturals, for example, 5524 + ... + 17127.

It is an arithmetic number, because the mean of its divisors is an integer number (16445352).

Almost surely, 2^131421102 is an apocalyptic number.

131421102 is an abundant number, since it is smaller than the sum of its proper divisors (131704530).

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

131421102 is a wasteful number, since it uses less digits than its factorization.

131421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23623.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 131421102 is about 11463.9043087423. The cubic root of 131421102 is about 508.4189173707.

Adding to 131421102 its reverse (201124131), we get a palindrome (332545233).

The spelling of 131421102 in words is "one hundred thirty-one million, four hundred twenty-one thousand, one hundred two".