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323030143031 = 611535282327
BaseRepresentation
bin1001011001101100001…
…10001101000000110111
31010212210112012111210112
410230312012031000313
520243031204034111
6404221545013235
732223662624441
oct4546606150067
91125715174715
10323030143031
11114aa6104662
125273218421b
1324600212b8b
14118c5a39491
158609474e8b
hex4b3618d037

323030143031 has 4 divisors (see below), whose sum is σ = 323035486512. Its totient is φ = 323024799552.

The previous prime is 323030143019. The next prime is 323030143061. The reversal of 323030143031 is 130341030323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 323030143031 - 222 = 323025948727 is a prime.

It is a super-2 number, since 2×3230301430312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323030142988 and 323030143006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323030143061) 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, 2580011 + ... + 2702316.

It is an arithmetic number, because the mean of its divisors is an integer number (80758871628).

Almost surely, 2323030143031 is an apocalyptic number.

323030143031 is a deficient number, since it is larger than the sum of its proper divisors (5343481).

323030143031 is an equidigital number, since it uses as much as digits as its factorization.

323030143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343480.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 323030143031 its reverse (130341030323), we get a palindrome (453371173354).

The spelling of 323030143031 in words is "three hundred twenty-three billion, thirty million, one hundred forty-three thousand, thirty-one".

Divisors: 1 61153 5282327 323030143031