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31300005022 = 211131729221989
BaseRepresentation
bin11101001001101000…
…000010110010011110
32222210100111000000021
4131021220002302132
51003100300130042
622213511422354
72155433436646
oct351150026236
988710430007
1031300005022
1112302045050
1260963849ba
132c4a802440
14172cd6b526
15c32d1a867
hex749a02c9e

31300005022 has 64 divisors (see below), whose sum is σ = 60416798400. Its totient is φ = 11934074880.

The previous prime is 31300005017. The next prime is 31300005043. The reversal of 31300005022 is 22050000313.

It is a junction number, because it is equal to n+sod(n) for n = 31300004987 and 31300005005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30004 + ... + 251992.

It is an arithmetic number, because the mean of its divisors is an integer number (944012475).

Almost surely, 231300005022 is an apocalyptic number.

31300005022 is a deficient number, since it is larger than the sum of its proper divisors (29116793378).

31300005022 is a wasteful number, since it uses less digits than its factorization.

31300005022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222061.

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 31300005022 its reverse (22050000313), we get a palindrome (53350005335).

The spelling of 31300005022 in words is "thirty-one billion, three hundred million, five thousand, twenty-two".

Divisors: 1 2 11 13 17 22 26 29 34 58 143 187 221 286 319 374 377 442 493 638 754 986 2431 4147 4862 5423 6409 8294 10846 12818 70499 140998 221989 443978 2441879 2885857 3773813 4883758 5771714 6437681 7547626 12875362 31744427 41511943 49059569 63488854 70814491 83023886 83689853 98119138 109440577 141628982 167379706 218881154 539655259 920588383 1079310518 1203846347 1422727501 1841176766 2407692694 2845455002 15650002511 31300005022