Search a number
-
+
312030222231122 = 22172745833156671
BaseRepresentation
bin100011011110010100011001…
…0100011100010011001010010
31111220210210112200111002210222
41012330220302203202121102
5311344300343342343442
63023344412153353042
7122503303534306433
oct10674506243423122
91456723480432728
10312030222231122
119047130192493a
122abb566a108782
13105154292288a5
14570a4b418b48a
15261194eb548d2
hex11bca328e2652

312030222231122 has 16 divisors (see below), whose sum is σ = 468080075538432. Its totient is φ = 156003530833440.

The previous prime is 312030222231089. The next prime is 312030222231149. The reversal of 312030222231122 is 221132222030213.

It is a junction number, because it is equal to n+sod(n) for n = 312030222231091 and 312030222231100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991548847 + ... + 1991705517.

It is an arithmetic number, because the mean of its divisors is an integer number (29255004721152).

Almost surely, 2312030222231122 is an apocalyptic number.

312030222231122 is a deficient number, since it is larger than the sum of its proper divisors (156049853307310).

312030222231122 is a wasteful number, since it uses less digits than its factorization.

312030222231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224233.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 312030222231122 its reverse (221132222030213), we get a palindrome (533162444261335).

The spelling of 312030222231122 in words is "three hundred twelve trillion, thirty billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 21727 43454 45833 91666 156671 313342 995813591 1991627182 3403990817 6807981634 7180701943 14361403886 156015111115561 312030222231122