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31112301101312 = 28196396443483
BaseRepresentation
bin1110001001011111001011…
…01001111100000100000000
311002011022021202110012220202
413010233211221330010000
513034220443040220222
6150100443244024332
76360534552634664
oct704574551740400
9132138252405822
1031112301101312
119a0571a96a582
1235a59328320a8
131448b538741a2
14797bb44508a4
1538e480675892
hex1c4be5a7c100

31112301101312 has 36 divisors (see below), whose sum is σ = 65371652406480. Its totient is φ = 14737405782528.

The previous prime is 31112301101291. The next prime is 31112301101333. The reversal of 31112301101312 is 21310110321113.

It is an interprime number because it is at equal distance from previous prime (31112301101291) and next prime (31112301101333).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3198216878 + ... + 3198226605.

Almost surely, 231112301101312 is an apocalyptic number.

31112301101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31112301101312 is an abundant number, since it is smaller than the sum of its proper divisors (34259351305168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31112301101312 is an equidigital number, since it uses as much as digits as its factorization.

31112301101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396443518 (or 6396443504 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 31112301101312 its reverse (21310110321113), we get a palindrome (52422411422425).

The spelling of 31112301101312 in words is "thirty-one trillion, one hundred twelve billion, three hundred one million, one hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 608 1216 2432 4864 6396443483 12792886966 25585773932 51171547864 102343095728 121532426177 204686191456 243064852354 409372382912 486129704708 818744765824 972259409416 1637489531648 1944518818832 3889037637664 7778075275328 15556150550656 31112301101312