131016238 has 8 divisors (see below), whose sum is σ = 201317760. Its totient is φ = 63910320.

The previous prime is 131016217. The next prime is 131016253. The reversal of 131016238 is 832610131.

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

It is a congruent number.

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, 798798 + ... + 798961.

It is an arithmetic number, because the mean of its divisors is an integer number (25164720).

Almost surely, 2^131016238 is an apocalyptic number.

131016238 is a deficient number, since it is larger than the sum of its proper divisors (70301522).

131016238 is a wasteful number, since it uses less digits than its factorization.

131016238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597802.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 131016238 is about 11446.2324806025. The cubic root of 131016238 is about 507.8962913719.

Adding to 131016238 its reverse (832610131), we get a palindrome (963626369).

The spelling of 131016238 in words is "one hundred thirty-one million, sixteen thousand, two hundred thirty-eight".