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230412031 = 1923475167
BaseRepresentation
bin11011011101111…
…00111011111111
3121001120010212221
431232330323333
5432441141111
634510310211
75465320123
oct1556747377
9531503787
10230412031
11109074a73
12651b8367
13389749a5
142285b583
1515365371
hexdbbceff

230412031 has 8 divisors (see below), whose sum is σ = 242689280. Its totient is φ = 218149848.

The previous prime is 230412023. The next prime is 230412043. The reversal of 230412031 is 130214032.

It is a happy number.

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 230412031 - 23 = 230412023 is a prime.

It is a super-2 number, since 2×2304120312 = 106179408059089922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230411996 and 230412014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230412331) 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, 42010 + ... + 47176.

It is an arithmetic number, because the mean of its divisors is an integer number (30336160).

Almost surely, 2230412031 is an apocalyptic number.

230412031 is a deficient number, since it is larger than the sum of its proper divisors (12277249).

230412031 is a wasteful number, since it uses less digits than its factorization.

230412031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230412031 is about 15179.3290694945. The cubic root of 230412031 is about 613.0582164106.

Adding to 230412031 its reverse (130214032), we get a palindrome (360626063).

The spelling of 230412031 in words is "two hundred thirty million, four hundred twelve thousand, thirty-one".

Divisors: 1 19 2347 5167 44593 98173 12126949 230412031