238125031 has 4 divisors (see below), whose sum is σ = 238221000. Its totient is φ = 238029064.

The previous prime is 238125023. The next prime is 238125047. The reversal of 238125031 is 130521832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238125031 - 2³ = 238125023 is a prime.

It is a super-2 number, since 2×238125031² = 113407060777501922, 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 = 238124987 and 238125005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238125071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44161 + ... + 49258.

It is an arithmetic number, because the mean of its divisors is an integer number (59555250).

Almost surely, 2^238125031 is an apocalyptic number.

238125031 is a deficient number, since it is larger than the sum of its proper divisors (95969).

238125031 is an equidigital number, since it uses as much as digits as its factorization.

238125031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95968.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 238125031 is about 15431.3003664630. The cubic root of 238125031 is about 619.8239449827.

Adding to 238125031 its reverse (130521832), we get a palindrome (368646863).

The spelling of 238125031 in words is "two hundred thirty-eight million, one hundred twenty-five thousand, thirty-one".