131243102 has 4 divisors (see below), whose sum is σ = 196864656. Its totient is φ = 65621550.

The previous prime is 131243093. The next prime is 131243113. The reversal of 131243102 is 201342131.

131243102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32810774 + ... + 32810777.

It is an arithmetic number, because the mean of its divisors is an integer number (49216164).

Almost surely, 2^131243102 is an apocalyptic number.

131243102 is a deficient number, since it is larger than the sum of its proper divisors (65621554).

131243102 is an equidigital number, since it uses as much as digits as its factorization.

131243102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65621553.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131243102 is about 11456.1381800326. The cubic root of 131243102 is about 508.1892752647.

Adding to 131243102 its reverse (201342131), we get a palindrome (332585233).

The spelling of 131243102 in words is "one hundred thirty-one million, two hundred forty-three thousand, one hundred two".