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31130603187853 = 1359163437356941
BaseRepresentation
bin1110001010000001010001…
…00010110110111010001101
311002020001112021001112202211
413011000220202312322031
513040020433404002403
6150113111321150421
76362053240046611
oct705005042667215
9132201467045684
1031130603187853
119a12461a21034
1235a93a002b411
13144a7ac5531b0
14798a2d035341
1538eba230106d
hex1c50288b6e8d

31130603187853 has 32 divisors (see below), whose sum is σ = 34311099070080. Its totient is φ = 28068672303360.

The previous prime is 31130603187787. The next prime is 31130603187877. The reversal of 31130603187853 is 35878130603113.

It is not a de Polignac number, because 31130603187853 - 237 = 30993164234381 is a prime.

It is a super-2 number, since 2×311306031878532 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31130603187797 and 31130603187806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130603127853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546688363 + ... + 546745303.

It is an arithmetic number, because the mean of its divisors is an integer number (1072221845940).

Almost surely, 231130603187853 is an apocalyptic number.

It is an amenable number.

31130603187853 is a deficient number, since it is larger than the sum of its proper divisors (3180495882227).

31130603187853 is a wasteful number, since it uses less digits than its factorization.

31130603187853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61549.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 31130603187853 in words is "thirty-one trillion, one hundred thirty billion, six hundred three million, one hundred eighty-seven thousand, eight hundred fifty-three".

Divisors: 1 13 59 163 767 2119 4373 9617 56849 56941 125021 258007 712799 740233 3354091 3359519 9266387 9281383 42055141 43673747 120657979 249002993 546716833 547601597 3237038909 7118820761 14691176587 40587487859 190985295631 527637342167 2394661783681 31130603187853