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31300301021121 = 32111718597920987
BaseRepresentation
bin1110001110111101010110…
…10100101101111111000001
311002211021112210110200001200
413013132223110231333001
513100311004030133441
6150323054302451413
76410241431612316
oct707365324557701
9132737483420050
1031300301021121
119a78423a24930
12361625b593b69
1314607b4a011a2
147a2d2a8d2d0d
153942d53607b6
hex1c77ab52dfc1

31300301021121 has 24 divisors (see below), whose sum is σ = 52222962134304. Its totient is φ = 17854004146560.

The previous prime is 31300301021117. The next prime is 31300301021137. The reversal of 31300301021121 is 12112010300313.

31300301021121 is a `hidden beast` number, since 3 + 130 + 0 + 301 + 0 + 211 + 21 = 666.

It is not a de Polignac number, because 31300301021121 - 22 = 31300301021117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31300301021094 and 31300301021103.

It is not an unprimeable number, because it can be changed into a prime (31300301021321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9298958811 + ... + 9298962176.

It is an arithmetic number, because the mean of its divisors is an integer number (2175956755596).

Almost surely, 231300301021121 is an apocalyptic number.

It is an amenable number.

31300301021121 is a deficient number, since it is larger than the sum of its proper divisors (20922661113183).

31300301021121 is a wasteful number, since it uses less digits than its factorization.

31300301021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597921021 (or 18597921018 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31300301021121 its reverse (12112010300313), we get a palindrome (43412311321434).

The spelling of 31300301021121 in words is "thirty-one trillion, three hundred billion, three hundred one million, twenty-one thousand, one hundred twenty-one".

Divisors: 1 3 9 11 17 33 51 99 153 187 561 1683 18597920987 55793762961 167381288883 204577130857 316164656779 613731392571 948493970337 1841194177713 2845481911011 3477811224569 10433433673707 31300301021121