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320343001431 = 3157680133761
BaseRepresentation
bin1001010100101011110…
…11100100100101010111
31010121212020212120111120
410222111323210211113
520222030302021211
6403055154135023
732100253404405
oct4522573444527
91117766776446
10320343001431
11113947300382
1252102281473
13242925ac06b
141170cbd2475
1584ed5ced06
hex4a95ee4957

320343001431 has 8 divisors (see below), whose sum is σ = 429844537584. Its totient is φ = 212201733120.

The previous prime is 320343001421. The next prime is 320343001441. The reversal of 320343001431 is 134100343023.

It is an interprime number because it is at equal distance from previous prime (320343001421) and next prime (320343001441).

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

It is not a de Polignac number, because 320343001431 - 214 = 320342985047 is a prime.

It is a super-2 number, since 2×3203430014312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320343001421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340066410 + ... + 340067351.

It is an arithmetic number, because the mean of its divisors is an integer number (53730567198).

Almost surely, 2320343001431 is an apocalyptic number.

320343001431 is a deficient number, since it is larger than the sum of its proper divisors (109501536153).

320343001431 is a wasteful number, since it uses less digits than its factorization.

320343001431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680133921.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 320343001431 its reverse (134100343023), we get a palindrome (454443344454).

The spelling of 320343001431 in words is "three hundred twenty billion, three hundred forty-three million, one thousand, four hundred thirty-one".

Divisors: 1 3 157 471 680133761 2040401283 106781000477 320343001431