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2723047231 is a prime number
BaseRepresentation
bin1010001001001110…
…0110011100111111
321000202220010120011
42202103212130333
521034100002411
61130112204051
7124323343132
oct24223463477
97022803504
102723047231
1111780a8763
1263bb39627
133451c5b68
141bb912219
1510e0d8c21
hexa24e673f

2723047231 has 2 divisors, whose sum is σ = 2723047232. Its totient is φ = 2723047230.

The previous prime is 2723047213. The next prime is 2723047253. The reversal of 2723047231 is 1327403272.

Together with previous prime (2723047213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2723047231 - 217 = 2722916159 is a prime.

It is a super-2 number, since 2×27230472312 = 14829972444513534722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2723047193 and 2723047202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2723047331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361523615 + 1361523616.

It is an arithmetic number, because the mean of its divisors is an integer number (1361523616).

Almost surely, 22723047231 is an apocalyptic number.

2723047231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2723047231 is an equidigital number, since it uses as much as digits as its factorization.

2723047231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 2723047231 is about 52182.8250576758. The cubic root of 2723047231 is about 1396.4274953878.

The spelling of 2723047231 in words is "two billion, seven hundred twenty-three million, forty-seven thousand, two hundred thirty-one".