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1000234431461 is a prime number
BaseRepresentation
bin11101000111000101001…
…11100011001111100101
310112121210001112202222202
432203202213203033211
5112341440003301321
62043300143104245
7132156512246456
oct16434247431745
93477701482882
101000234431461
11356219295801
12141a285a2085
1373424a19b95
14365a962d12d
151b04212270b
hexe8e29e33e5

1000234431461 has 2 divisors, whose sum is σ = 1000234431462. Its totient is φ = 1000234431460.

The previous prime is 1000234431401. The next prime is 1000234431467. The reversal of 1000234431461 is 1641344320001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000212011236 + 22420225 = 1000106^2 + 4735^2 .

It is an emirp because it is prime and its reverse (1641344320001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000234431461 - 226 = 1000167322597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000234431467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500117215730 + 500117215731.

It is an arithmetic number, because the mean of its divisors is an integer number (500117215731).

Almost surely, 21000234431461 is an apocalyptic number.

It is an amenable number.

1000234431461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000234431461 is an equidigital number, since it uses as much as digits as its factorization.

1000234431461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1000234431461 its reverse (1641344320001), we get a palindrome (2641578751462).

The spelling of 1000234431461 in words is "one trillion, two hundred thirty-four million, four hundred thirty-one thousand, four hundred sixty-one".