131210042 has 8 divisors (see below), whose sum is σ = 203164032. Its totient is φ = 63488700.

The previous prime is 131210021. The next prime is 131210083. The reversal of 131210042 is 240012131.

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

It is a junction number, because it is equal to n+sod(n) for n = 131209999 and 131210026.

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, 1058084 + ... + 1058207.

It is an arithmetic number, because the mean of its divisors is an integer number (25395504).

Almost surely, 2^131210042 is an apocalyptic number.

131210042 is a deficient number, since it is larger than the sum of its proper divisors (71953990).

131210042 is a wasteful number, since it uses less digits than its factorization.

131210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116324.

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

The square root of 131210042 is about 11454.6951945480. The cubic root of 131210042 is about 508.1466008991.

Adding to 131210042 its reverse (240012131), we get a palindrome (371222173).

The spelling of 131210042 in words is "one hundred thirty-one million, two hundred ten thousand, forty-two".