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31032345324 = 2232586028777
BaseRepresentation
bin11100111001101011…
…000000001011101100
32222002200211110221010
4130321223000023230
51002023240022244
622131150505220
72146003403661
oct347153001354
988080743833
1031032345324
1112184a4a392
126020805210
132c07218916
1417055b5a68
15c19598eb9
hex739ac02ec

31032345324 has 12 divisors (see below), whose sum is σ = 72408805784. Its totient is φ = 10344115104.

The previous prime is 31032345313. The next prime is 31032345329. The reversal of 31032345324 is 42354323013.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 31032345291 and 31032345300.

It is not an unprimeable number, because it can be changed into a prime (31032345329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293014377 + ... + 1293014400.

Almost surely, 231032345324 is an apocalyptic number.

It is an amenable number.

31032345324 is an abundant number, since it is smaller than the sum of its proper divisors (41376460460).

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

31032345324 is a wasteful number, since it uses less digits than its factorization.

31032345324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586028784 (or 2586028782 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 31032345324 its reverse (42354323013), we get a palindrome (73386668337).

The spelling of 31032345324 in words is "thirty-one billion, thirty-two million, three hundred forty-five thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 2586028777 5172057554 7758086331 10344115108 15516172662 31032345324