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230607031 = 1375093307
BaseRepresentation
bin11011011111011…
…00100010110111
3121001221001101011
431233230202313
5433013411111
634514413051
75500061464
oct1557544267
9531831334
10230607031
11109198526
1265291187
1338a12685
14228ac66b
15153a3021
hexdbec8b7

230607031 has 8 divisors (see below), whose sum is σ = 232817040. Its totient is φ = 228404928.

The previous prime is 230607017. The next prime is 230607053. The reversal of 230607031 is 130706032.

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 230607031 - 215 = 230574263 is a prime.

It is a super-2 number, since 2×2306070312 = 106359205493269922, 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 = 230606993 and 230607011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230607011) 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, 68080 + ... + 71386.

It is an arithmetic number, because the mean of its divisors is an integer number (29102130).

Almost surely, 2230607031 is an apocalyptic number.

230607031 is a deficient number, since it is larger than the sum of its proper divisors (2210009).

230607031 is a wasteful number, since it uses less digits than its factorization.

230607031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 230607031 is about 15185.7509198591. The cubic root of 230607031 is about 613.2311134060.

Subtracting from 230607031 its reverse (130706032), we obtain a palindrome (99900999).

The spelling of 230607031 in words is "two hundred thirty million, six hundred seven thousand, thirty-one".

Divisors: 1 137 509 3307 69733 453059 1683263 230607031