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31300022202 = 23371117126223
BaseRepresentation
bin11101001001101000…
…000110111110111010
32222210100111212120120
4131021220012332322
51003100301202302
622213512034110
72155433541021
oct351150067672
988710455516
1031300022202
1112302056a49
126096392936
132c4a80a1c7
14172cd738b8
15c32d209bc
hex749a06fba

31300022202 has 32 divisors (see below), whose sum is σ = 64350004992. Its totient is φ = 10142190144.

The previous prime is 31300022111. The next prime is 31300022207. The reversal of 31300022202 is 20222000313.

It is not an unprimeable number, because it can be changed into a prime (31300022207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184863 + ... + 311085.

It is an arithmetic number, because the mean of its divisors is an integer number (2010937656).

Almost surely, 231300022202 is an apocalyptic number.

31300022202 is an abundant number, since it is smaller than the sum of its proper divisors (33049982790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31300022202 is a wasteful number, since it uses less digits than its factorization.

31300022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127382.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 31300022202 its reverse (20222000313), we get a palindrome (51522022515).

The spelling of 31300022202 in words is "thirty-one billion, three hundred million, twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 37 74 111 222 1117 2234 3351 6702 41329 82658 123987 126223 247974 252446 378669 757338 4670251 9340502 14010753 28021506 140991091 281982182 422973273 845946546 5216670367 10433340734 15650011101 31300022202