Search a number
-
+
12230310321131 = 72249598169819
BaseRepresentation
bin1011000111111001011101…
…0011010101101111101011
31121022012120100120122020012
42301332113103111233223
53100340133420234011
642002305455322135
72401416330312500
oct261762723255753
947265510518205
1012230310321131
113995933372981
12145639622034b
136a940c476706
14303d434074a7
1516321236aa8b
hexb1f974d5beb

12230310321131 has 6 divisors (see below), whose sum is σ = 14227095679740. Its totient is φ = 10483123132356.

The previous prime is 12230310321013. The next prime is 12230310321149. The reversal of 12230310321131 is 13112301303221.

It is a de Polignac number, because none of the positive numbers 2k-12230310321131 is a prime.

It is a super-2 number, since 2×122303103211312 (a number of 27 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 = 12230310321097 and 12230310321106.

It is not an unprimeable number, because it can be changed into a prime (12230310321631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124799084861 + ... + 124799084958.

It is an arithmetic number, because the mean of its divisors is an integer number (2371182613290).

Almost surely, 212230310321131 is an apocalyptic number.

12230310321131 is a deficient number, since it is larger than the sum of its proper divisors (1996785358609).

12230310321131 is an equidigital number, since it uses as much as digits as its factorization.

12230310321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249598169833 (or 249598169826 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12230310321131 its reverse (13112301303221), we get a palindrome (25342611624352).

The spelling of 12230310321131 in words is "twelve trillion, two hundred thirty billion, three hundred ten million, three hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 7 49 249598169819 1747187188733 12230310321131