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231014451 = 377004817
BaseRepresentation
bin11011100010100…
…00000000110011
3121002200202020210
431301100000303
5433114430301
634531235203
75503406343
oct1561200063
9532622223
10231014451
11109446638
1265448b03
1338b25c55
1422976d23
1515433ad6
hexdc50033

231014451 has 4 divisors (see below), whose sum is σ = 308019272. Its totient is φ = 154009632.

The previous prime is 231014431. The next prime is 231014453. The reversal of 231014451 is 154410132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231014451 - 25 = 231014419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231014453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38502406 + ... + 38502411.

It is an arithmetic number, because the mean of its divisors is an integer number (77004818).

Almost surely, 2231014451 is an apocalyptic number.

231014451 is a deficient number, since it is larger than the sum of its proper divisors (77004821).

231014451 is an equidigital number, since it uses as much as digits as its factorization.

231014451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77004820.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 231014451 is about 15199.1595491330. The cubic root of 231014451 is about 613.5920385532.

Adding to 231014451 its reverse (154410132), we get a palindrome (385424583).

It can be divided in two parts, 2310 and 14451, that added together give a palindrome (16761).

The spelling of 231014451 in words is "two hundred thirty-one million, fourteen thousand, four hundred fifty-one".

Divisors: 1 3 77004817 231014451