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103311232312 = 2312913904039
BaseRepresentation
bin110000000110111010…
…1000100110100111000
3100212122221022101001111
41200031311010310320
53143040133413222
6115243250130104
710315101662011
oct1401565046470
9325587271044
10103311232312
113a8a5551a32
1218032880934
1399858254c2
145000b22008
152a49caa777
hex180dd44d38

103311232312 has 8 divisors (see below), whose sum is σ = 193708560600. Its totient is φ = 51655616152.

The previous prime is 103311232267. The next prime is 103311232313. The reversal of 103311232312 is 213232113301.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103311232313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456952012 + ... + 6456952027.

It is an arithmetic number, because the mean of its divisors is an integer number (24213570075).

Almost surely, 2103311232312 is an apocalyptic number.

It is an amenable number.

103311232312 is a deficient number, since it is larger than the sum of its proper divisors (90397328288).

103311232312 is a wasteful number, since it uses less digits than its factorization.

103311232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12913904045 (or 12913904041 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 103311232312 its reverse (213232113301), we get a palindrome (316543345613).

The spelling of 103311232312 in words is "one hundred three billion, three hundred eleven million, two hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 12913904039 25827808078 51655616156 103311232312