131102142 has 8 divisors (see below), whose sum is σ = 262204296. Its totient is φ = 43700712.

The previous prime is 131102089. The next prime is 131102177. The reversal of 131102142 is 241201131.

It is a sphenic number, since it is the product of 3 distinct primes.

131102142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10925173 + ... + 10925184.

It is an arithmetic number, because the mean of its divisors is an integer number (32775537).

Almost surely, 2^131102142 is an apocalyptic number.

131102142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131102142 is a wasteful number, since it uses less digits than its factorization.

131102142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21850362.

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

The square root of 131102142 is about 11449.9843668016. The cubic root of 131102142 is about 508.0072719938.

Adding to 131102142 its reverse (241201131), we get a palindrome (372303273).

The spelling of 131102142 in words is "one hundred thirty-one million, one hundred two thousand, one hundred forty-two".