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31323324332 = 2210971842487
BaseRepresentation
bin11101001011000000…
…111111111110101100
32222211222100202002102
4131023000333332230
51003122232334312
622220103314232
72156135602166
oct351300777654
988758322072
1031323324332
1112314222203
1260a214b978
132c525a8651
1417320bb936
15c34dc4ec2
hex74b03ffac

31323324332 has 12 divisors (see below), whose sum is σ = 55318715760. Its totient is φ = 15517976976.

The previous prime is 31323324317. The next prime is 31323324337. The reversal of 31323324332 is 23342332313.

It is a junction number, because it is equal to n+sod(n) for n = 31323324295 and 31323324304.

It is not an unprimeable number, because it can be changed into a prime (31323324337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35920808 + ... + 35921679.

It is an arithmetic number, because the mean of its divisors is an integer number (4609892980).

Almost surely, 231323324332 is an apocalyptic number.

It is an amenable number.

31323324332 is a deficient number, since it is larger than the sum of its proper divisors (23995391428).

31323324332 is a wasteful number, since it uses less digits than its factorization.

31323324332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71842600 (or 71842598 counting only the distinct ones).

The product of its digits is 23328, while the sum is 29.

Adding to 31323324332 its reverse (23342332313), we get a palindrome (54665656645).

The spelling of 31323324332 in words is "thirty-one billion, three hundred twenty-three million, three hundred twenty-four thousand, three hundred thirty-two".

Divisors: 1 2 4 109 218 436 71842487 143684974 287369948 7830831083 15661662166 31323324332