Search a number
-
+
310230031121 = 2447126779743
BaseRepresentation
bin1001000001110110010…
…01101001101100010001
31002122202110112110020122
410200323021221230101
520040322341443441
6354303454120025
731261534520063
oct4407311515421
91078673473218
10310230031121
1110a62784607a
125015b4b0015
132334038956a
141102da63733
15810a85934b
hex483b269b11

310230031121 has 4 divisors (see below), whose sum is σ = 310356813312. Its totient is φ = 310103248932.

The previous prime is 310230031109. The next prime is 310230031123. The reversal of 310230031121 is 121130032013.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-310230031121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 310230031121.

It is not an unprimeable number, because it can be changed into a prime (310230031123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63387425 + ... + 63392318.

It is an arithmetic number, because the mean of its divisors is an integer number (77589203328).

Almost surely, 2310230031121 is an apocalyptic number.

It is an amenable number.

310230031121 is a deficient number, since it is larger than the sum of its proper divisors (126782191).

310230031121 is a wasteful number, since it uses less digits than its factorization.

310230031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126782190.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 310230031121 its reverse (121130032013), we get a palindrome (431360063134).

The spelling of 310230031121 in words is "three hundred ten billion, two hundred thirty million, thirty-one thousand, one hundred twenty-one".

Divisors: 1 2447 126779743 310230031121