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231078355201 = 456007506743
BaseRepresentation
bin1101011100110101010…
…1111110000100000001
3211002110020200201010001
43113031111332010001
512241222024331301
6254053403040001
722460223416401
oct3271525760401
9732406621101
10231078355201
1189aaa786481
123894b810001
1318a37c26c75
14b281832801
156026aaac01
hex35cd57e101

231078355201 has 4 divisors (see below), whose sum is σ = 231079317952. Its totient is φ = 231077392452.

The previous prime is 231078355171. The next prime is 231078355213. The reversal of 231078355201 is 102553870132.

231078355201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 231078355201 - 231 = 228930871553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231078355241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202636 + ... + 709378.

It is an arithmetic number, because the mean of its divisors is an integer number (57769829488).

Almost surely, 2231078355201 is an apocalyptic number.

It is an amenable number.

231078355201 is a deficient number, since it is larger than the sum of its proper divisors (962751).

231078355201 is an equidigital number, since it uses as much as digits as its factorization.

231078355201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962750.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 231078355201 in words is "two hundred thirty-one billion, seventy-eight million, three hundred fifty-five thousand, two hundred one".

Divisors: 1 456007 506743 231078355201