131102042 has 8 divisors (see below), whose sum is σ = 197512500. Its totient is φ = 65264544.

The previous prime is 131102029. The next prime is 131102077. The reversal of 131102042 is 240201131.

It can be written as a sum of positive squares in 2 ways, for example, as 130667761 + 434281 = 11431^2 + 659^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142667 + ... + 143582.

Almost surely, 2^131102042 is an apocalyptic number.

131102042 is a deficient number, since it is larger than the sum of its proper divisors (66410458).

131102042 is a wasteful number, since it uses less digits than its factorization.

131102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286480.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 131102042 is about 11449.9799999825. The cubic root of 131102042 is about 508.0071428305.

Adding to 131102042 its reverse (240201131), we get a palindrome (371303173).

The spelling of 131102042 in words is "one hundred thirty-one million, one hundred two thousand, forty-two".