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31312022013130 = 2531101006522623
BaseRepresentation
bin1110001111010011001011…
…11100110000010011001010
311002212101210122120202101211
413013221211330300103022
513101004010113410010
6150332313324203334
76411135044446555
oct707514574602312
9132771718522354
1031312022013130
119a8239913a691
12361859099954a
131461932107a11
147a371d44369c
1539476e36c08a
hex1c7a65f304ca

31312022013130 has 16 divisors (see below), whose sum is σ = 58179757031424. Its totient is φ = 12120782714640.

The previous prime is 31312022013091. The next prime is 31312022013131. The reversal of 31312022013130 is 3131022021313.

It is a super-3 number, since 3×313120220131303 (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (31312022013131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50503261002 + ... + 50503261621.

It is an arithmetic number, because the mean of its divisors is an integer number (3636234814464).

Almost surely, 231312022013130 is an apocalyptic number.

31312022013130 is a deficient number, since it is larger than the sum of its proper divisors (26867735018294).

31312022013130 is a wasteful number, since it uses less digits than its factorization.

31312022013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101006522661.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31312022013130 its reverse (3131022021313), we get a palindrome (34443044034443).

The spelling of 31312022013130 in words is "thirty-one trillion, three hundred twelve billion, twenty-two million, thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 101006522623 202013045246 505032613115 1010065226230 3131202201313 6262404402626 15656011006565 31312022013130