131122102 has 4 divisors (see below), whose sum is σ = 196683156. Its totient is φ = 65561050.

The previous prime is 131122091. The next prime is 131122109. The reversal of 131122102 is 201221131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201221131 = 4513 ⋅44587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32780524 + ... + 32780527.

It is an arithmetic number, because the mean of its divisors is an integer number (49170789).

Almost surely, 2^131122102 is an apocalyptic number.

131122102 is a deficient number, since it is larger than the sum of its proper divisors (65561054).

131122102 is an equidigital number, since it uses as much as digits as its factorization.

131122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65561053.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 131122102 is about 11450.8559505392. The cubic root of 131122102 is about 508.0330516656.

Adding to 131122102 its reverse (201221131), we get a palindrome (332343233).

The spelling of 131122102 in words is "one hundred thirty-one million, one hundred twenty-two thousand, one hundred two".