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31412143321 = 1321379113023
BaseRepresentation
bin11101010000010011…
…110100010011011001
310000002011111012211121
4131100103310103121
51003313002041241
622232555125241
72161264545526
oct352023642331
9100064435747
1031412143321
111235a377229
126107a43821
132c67b05b70
14173dbdc14d
15c3cabbad1
hex7504f44d9

31412143321 has 8 divisors (see below), whose sum is σ = 33830343680. Its totient is φ = 28994211792.

The previous prime is 31412143277. The next prime is 31412143351. The reversal of 31412143321 is 12334121413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31412143321 - 29 = 31412142809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31412143351) 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 7 ways as a sum of consecutive naturals, for example, 221416 + ... + 334438.

It is an arithmetic number, because the mean of its divisors is an integer number (4228792960).

Almost surely, 231412143321 is an apocalyptic number.

It is an amenable number.

31412143321 is a deficient number, since it is larger than the sum of its proper divisors (2418200359).

31412143321 is a wasteful number, since it uses less digits than its factorization.

31412143321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134415.

The product of its digits is 1728, while the sum is 25.

Adding to 31412143321 its reverse (12334121413), we get a palindrome (43746264734).

The spelling of 31412143321 in words is "thirty-one billion, four hundred twelve million, one hundred forty-three thousand, three hundred twenty-one".

Divisors: 1 13 21379 113023 277927 1469299 2416318717 31412143321