Search a number
-
+
312330123103 = 1312384199413
BaseRepresentation
bin1001000101110000101…
…00110111011101011111
31002212011211020011212011
410202320110313131133
520104123002414403
6355252114252051
731364555146165
oct4427024673537
91085154204764
10312330123103
11110505237289
1250646887027
13235b64aa23b
141118c935235
1581ceddda6d
hex48b853775f

312330123103 has 4 divisors (see below), whose sum is σ = 314714322648. Its totient is φ = 309945923560.

The previous prime is 312330122987. The next prime is 312330123151. The reversal of 312330123103 is 301321033213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312330123103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312330120103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192099576 + ... + 1192099837.

It is an arithmetic number, because the mean of its divisors is an integer number (78678580662).

Almost surely, 2312330123103 is an apocalyptic number.

312330123103 is a deficient number, since it is larger than the sum of its proper divisors (2384199545).

312330123103 is a wasteful number, since it uses less digits than its factorization.

312330123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384199544.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 312330123103 its reverse (301321033213), we get a palindrome (613651156316).

The spelling of 312330123103 in words is "three hundred twelve billion, three hundred thirty million, one hundred twenty-three thousand, one hundred three".

Divisors: 1 131 2384199413 312330123103