131123102 has 12 divisors (see below), whose sum is σ = 216190968. Its totient is φ = 59601300.

The previous prime is 131123093. The next prime is 131123107. The reversal of 131123102 is 201321131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270674 + ... + 271157.

It is an arithmetic number, because the mean of its divisors is an integer number (18015914).

Almost surely, 2^131123102 is an apocalyptic number.

131123102 is a deficient number, since it is larger than the sum of its proper divisors (85067866).

131123102 is a wasteful number, since it uses less digits than its factorization.

131123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541855 (or 541844 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131123102 is about 11450.8996153141. The cubic root of 131123102 is about 508.0343431635.

Adding to 131123102 its reverse (201321131), we get a palindrome (332444233).

The spelling of 131123102 in words is "one hundred thirty-one million, one hundred twenty-three thousand, one hundred two".