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323401231 is a prime number
BaseRepresentation
bin10011010001101…
…011011000001111
3211112112111002101
4103101223120033
51130242314411
652031335531
711004602506
oct2321533017
9745474071
10323401231
1115660814a
12903815a7
135200239a
1430d4583d
151d5d28c1
hex1346b60f

323401231 has 2 divisors, whose sum is σ = 323401232. Its totient is φ = 323401230.

The previous prime is 323401213. The next prime is 323401249. The reversal of 323401231 is 132104323.

Together with previous prime (323401213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (323401213) and next prime (323401249).

It is a cyclic number.

It is not a de Polignac number, because 323401231 - 27 = 323401103 is a prime.

It is a super-2 number, since 2×3234012312 = 209176712424630722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323401199 and 323401208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323401271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161700615 + 161700616.

It is an arithmetic number, because the mean of its divisors is an integer number (161700616).

Almost surely, 2323401231 is an apocalyptic number.

323401231 is a deficient number, since it is larger than the sum of its proper divisors (1).

323401231 is an equidigital number, since it uses as much as digits as its factorization.

323401231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 323401231 is about 17983.3598362486. The cubic root of 323401231 is about 686.4051862316.

Adding to 323401231 its reverse (132104323), we get a palindrome (455505554).

The spelling of 323401231 in words is "three hundred twenty-three million, four hundred one thousand, two hundred thirty-one".