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230233100312131 = 761539187588553
BaseRepresentation
bin110100010110010101010010…
…001010001101111001000011
31010012012001212121200120122021
4310112111102022031321003
5220134114342134442011
62133355343125222311
766331535565664540
oct6426252212157103
91105161777616567
10230233100312131
11673a5344a63a64
12219a4873561997
139b60b714b94b7
1440bd4ad175bc7
151b93d581c2471
hexd1655228de43

230233100312131 has 8 divisors (see below), whose sum is σ = 267437043922784. Its totient is φ = 194107531878720.

The previous prime is 230233100312129. The next prime is 230233100312143. The reversal of 230233100312131 is 131213001332032.

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 230233100312131 - 21 = 230233100312129 is a prime.

It is a super-2 number, since 2×2302331003121312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230233100312096 and 230233100312105.

It is not an unprimeable number, because it can be changed into a prime (230233700312131) 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, 269593793850 + ... + 269593794703.

It is an arithmetic number, because the mean of its divisors is an integer number (33429630490348).

Almost surely, 2230233100312131 is an apocalyptic number.

230233100312131 is a deficient number, since it is larger than the sum of its proper divisors (37203943610653).

230233100312131 is an equidigital number, since it uses as much as digits as its factorization.

230233100312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539187588621.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 230233100312131 its reverse (131213001332032), we get a palindrome (361446101644163).

The spelling of 230233100312131 in words is "two hundred thirty trillion, two hundred thirty-three billion, one hundred million, three hundred twelve thousand, one hundred thirty-one".

Divisors: 1 7 61 427 539187588553 3774313119871 32890442901733 230233100312131