238193131 has 8 divisors (see below), whose sum is σ = 260788464. Its totient is φ = 215754720.

The previous prime is 238193117. The next prime is 238193141. The reversal of 238193131 is 131391832.

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

It is a cyclic number.

It is not a de Polignac number, because 238193131 - 2⁵ = 238193099 is a prime.

It is a super-2 number, since 2×238193131² = 113471935311166322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238193093 and 238193102.

It is not an unprimeable number, because it can be changed into a prime (238193141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36040 + ... + 42133.

It is an arithmetic number, because the mean of its divisors is an integer number (32598558).

Almost surely, 2^238193131 is an apocalyptic number.

238193131 is a deficient number, since it is larger than the sum of its proper divisors (22595333).

238193131 is a wasteful number, since it uses less digits than its factorization.

238193131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78461.

The product of its digits is 3888, while the sum is 31.

The square root of 238193131 is about 15433.5067628844. The cubic root of 238193131 is about 619.8830259724.

The spelling of 238193131 in words is "two hundred thirty-eight million, one hundred ninety-three thousand, one hundred thirty-one".