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31323004034 = 2712491791319
BaseRepresentation
bin11101001010111111…
…110001110010000010
32222211221202110201112
4131022333301302002
51003122142112114
622220052403322
72156133066320
oct351277616202
988757673645
1031323004034
11123140235a3
1260a2016542
132c524c591a
141732036d10
15c34d6013e
hex74aff1c82

31323004034 has 16 divisors (see below), whose sum is σ = 53739600000. Its totient is φ = 13413389184.

The previous prime is 31323003991. The next prime is 31323004039. The reversal of 31323004034 is 43040032313.

It is a super-2 number, since 2×313230040342 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31323004039) 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 7 ways as a sum of consecutive naturals, for example, 878174 + ... + 913145.

It is an arithmetic number, because the mean of its divisors is an integer number (3358725000).

Almost surely, 231323004034 is an apocalyptic number.

31323004034 is a deficient number, since it is larger than the sum of its proper divisors (22416595966).

31323004034 is a wasteful number, since it uses less digits than its factorization.

31323004034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792577.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31323004034 its reverse (43040032313), we get a palindrome (74363036347).

The spelling of 31323004034 in words is "thirty-one billion, three hundred twenty-three million, four thousand, thirty-four".

Divisors: 1 2 7 14 1249 2498 8743 17486 1791319 3582638 12539233 25078466 2237357431 4474714862 15661502017 31323004034