231125207 has 2 divisors, whose sum is σ = 231125208. Its totient is φ = 231125206.

The previous prime is 231125201. The next prime is 231125221. The reversal of 231125207 is 702521132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231125207 - 2¹⁶ = 231059671 is a prime.

It is a super-2 number, since 2×231125207² = 106837722621585698, which contains 22 as substring.

It is equal to p_12701093 and since 231125207 and 12701093 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231125201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115562603 + 115562604.

It is an arithmetic number, because the mean of its divisors is an integer number (115562604).

Almost surely, 2^231125207 is an apocalyptic number.

231125207 is a deficient number, since it is larger than the sum of its proper divisors (1).

231125207 is an equidigital number, since it uses as much as digits as its factorization.

231125207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 231125207 is about 15202.8026034676. The cubic root of 231125207 is about 613.6900816868.

Adding to 231125207 its reverse (702521132), we get a palindrome (933646339).

The spelling of 231125207 in words is "two hundred thirty-one million, one hundred twenty-five thousand, two hundred seven".