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31300330232243 = 19231371932708879
BaseRepresentation
bin1110001110111101011010…
…00100001001100110110011
311002211021121211102202012002
413013132231010021212303
513100311034014412433
6150323101224524215
76410242235114042
oct707365504114663
9132737554382162
1031300330232243
119a78439466656
12361626932066b
1314607baa8b087
147a2d30738559
153942d7bd09e8
hex1c77ad1099b3

31300330232243 has 32 divisors (see below), whose sum is σ = 34810624972800. Its totient is φ = 28010752045056.

The previous prime is 31300330232179. The next prime is 31300330232309. The reversal of 31300330232243 is 34223203300313.

It is a cyclic number.

It is not a de Polignac number, because 31300330232243 - 26 = 31300330232179 is a prime.

It is a super-2 number, since 2×313003302322432 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31300330235243) 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, 10200278 + ... + 12909156.

It is an arithmetic number, because the mean of its divisors is an integer number (1087832030400).

Almost surely, 231300330232243 is an apocalyptic number.

31300330232243 is a deficient number, since it is larger than the sum of its proper divisors (3510294740557).

31300330232243 is a wasteful number, since it uses less digits than its factorization.

31300330232243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709251.

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 31300330232243 its reverse (34223203300313), we get a palindrome (65523533532556).

The spelling of 31300330232243 in words is "thirty-one trillion, three hundred billion, three hundred thirty million, two hundred thirty-two thousand, two hundred forty-three".

Divisors: 1 19 23 137 193 437 2603 3151 3667 4439 26441 59869 84341 502379 608143 2708879 11554717 51468701 62304217 371116423 522813647 1183780123 7051212037 8535677729 9933459293 12024713881 71625469639 162177876851 228469563739 1360883923141 1647385801697 31300330232243