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31122323101123 = 320336732645417
BaseRepresentation
bin1110001001110001110110…
…00000110101010111000011
311002012021011012121120002221
413010320323000311113003
513034402004203213443
6150105221534151511
76361341115345222
oct704707300652703
9132167135546087
1031122323101123
119a099a3040351
1235a786b052597
131449a8cc950a7
1479848549ccb9
1538e86a42beed
hex1c4e3b0355c3

31122323101123 has 8 divisors (see below), whose sum is σ = 31140527405328. Its totient is φ = 31104124101504.

The previous prime is 31122323101091. The next prime is 31122323101169. The reversal of 31122323101123 is 32110132322113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31122323101123 - 25 = 31122323101091 is a prime.

It is a super-2 number, since 2×311223231011232 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31122323101193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10441911 + ... + 13087327.

It is an arithmetic number, because the mean of its divisors is an integer number (3892565925666).

Almost surely, 231122323101123 is an apocalyptic number.

31122323101123 is a deficient number, since it is larger than the sum of its proper divisors (18204304205).

31122323101123 is a wasteful number, since it uses less digits than its factorization.

31122323101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652293.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31122323101123 its reverse (32110132322113), we get a palindrome (63232455423236).

The spelling of 31122323101123 in words is "thirty-one trillion, one hundred twenty-two billion, three hundred twenty-three million, one hundred one thousand, one hundred twenty-three".

Divisors: 1 3203 3673 2645417 11764619 8473270651 9716616641 31122323101123