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31323011032313 = 7111331291719313
BaseRepresentation
bin1110001111100111101001…
…11100100010010011111001
311002220110011111100202210022
413013303310330202103321
513101144011311013223
6150341332001100225
76412004261536430
oct707636474422371
9132813144322708
1031323011032313
119a87018158420
12361a739027675
131462993989230
147a4082a96117
15394bb3e8cac8
hex1c7cf4f224f9

31323011032313 has 16 divisors (see below), whose sum is σ = 42056070758016. Its totient is φ = 22530037904640.

The previous prime is 31323011032301. The next prime is 31323011032337.

31323011032313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31323011032313 - 216 = 31323010966777 is a prime.

It is a super-3 number, since 3×313230110323133 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (31323011032363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15645858656 + ... + 15645860657.

It is an arithmetic number, because the mean of its divisors is an integer number (2628504422376).

Almost surely, 231323011032313 is an apocalyptic number.

It is an amenable number.

31323011032313 is a deficient number, since it is larger than the sum of its proper divisors (10733059725703).

31323011032313 is a wasteful number, since it uses less digits than its factorization.

31323011032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31291719344.

The product of its (nonzero) digits is 2916, while the sum is 26.

It can be divided in two parts, 3132301 and 1032313, that added together give a palindrome (4164614).

The spelling of 31323011032313 in words is "thirty-one trillion, three hundred twenty-three billion, eleven million, thirty-two thousand, three hundred thirteen".

Divisors: 1 7 11 13 77 91 143 1001 31291719313 219042035191 344208912443 406792351069 2409462387101 2847546457483 4474715861759 31323011032313