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31013101321306 = 21322321311872049
BaseRepresentation
bin1110000110100110011001…
…11000110011110001011010
311001210211020100120021010121
413003103030320303301122
513031104312414240211
6145543115544303454
76350423363500246
oct703231470636132
9131724210507117
1031013101321306
119977645205615
12358a668a71b8a
13143c6a4a93800
147930837b5426
1538bac6808271
hex1c34cce33c5a

31013101321306 has 48 divisors (see below), whose sum is σ = 52588190865600. Its totient is φ = 13684970407680.

The previous prime is 31013101321271. The next prime is 31013101321351. The reversal of 31013101321306 is 60312310131013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15630370 + ... + 17502418.

It is an arithmetic number, because the mean of its divisors is an integer number (1095587309700).

Almost surely, 231013101321306 is an apocalyptic number.

31013101321306 is a deficient number, since it is larger than the sum of its proper divisors (21575089544294).

31013101321306 is a wasteful number, since it uses less digits than its factorization.

31013101321306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874231 (or 1874218 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 31013101321306 its reverse (60312310131013), we get a palindrome (91325411452319).

The spelling of 31013101321306 in words is "thirty-one trillion, thirteen billion, one hundred one million, three hundred twenty-one thousand, three hundred six".

Divisors: 1 2 13 23 26 46 169 299 338 598 2131 3887 4262 7774 27703 49013 55406 98026 360139 637169 720278 1274338 1872049 3744098 8283197 16566394 24336637 43057127 48673274 86114254 316376281 559742651 632752562 1119485302 3989336419 7276654463 7978672838 14553308926 51861373447 91754737637 103722746894 183509475274 674197854811 1192811589281 1348395709622 2385623178562 15506550660653 31013101321306