231252419 has 4 divisors (see below), whose sum is σ = 241306896. Its totient is φ = 221197944.

The previous prime is 231252397. The next prime is 231252421. The reversal of 231252419 is 914252132.

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 231252419 - 2⁸ = 231252163 is a prime.

It is a super-2 number, since 2×231252419² = 106955362586703122, 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 = 231252391 and 231252400.

It is not an unprimeable number, because it can be changed into a prime (231252499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027204 + ... + 5027249.

It is an arithmetic number, because the mean of its divisors is an integer number (60326724).

Almost surely, 2^231252419 is an apocalyptic number.

231252419 is a deficient number, since it is larger than the sum of its proper divisors (10054477).

231252419 is a wasteful number, since it uses less digits than its factorization.

231252419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054476.

The product of its digits is 4320, while the sum is 29.

The square root of 231252419 is about 15206.9858617676. The cubic root of 231252419 is about 613.8026533170.

The spelling of 231252419 in words is "two hundred thirty-one million, two hundred fifty-two thousand, four hundred nineteen".