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133030004231 is a prime number
BaseRepresentation
bin111101111100100110…
…1001100011000000111
3110201101002102102000202
41323321031030120013
54134421140113411
6141040234401115
712416415243635
oct1737115143007
9421332372022
10133030004231
1151465a73163
122194759019b
13c710862c47
14661da82355
1536d8d8283b
hex1ef934c607

133030004231 has 2 divisors, whose sum is σ = 133030004232. Its totient is φ = 133030004230.

The previous prime is 133030004213. The next prime is 133030004251. The reversal of 133030004231 is 132400030331.

Together with previous prime (133030004213) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (133030004251) can be obtained adding 133030004231 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133030004231 is a prime.

It is a super-2 number, since 2×1330300042312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133030004251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66515002115 + 66515002116.

It is an arithmetic number, because the mean of its divisors is an integer number (66515002116).

Almost surely, 2133030004231 is an apocalyptic number.

133030004231 is a deficient number, since it is larger than the sum of its proper divisors (1).

133030004231 is an equidigital number, since it uses as much as digits as its factorization.

133030004231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 133030004231 its reverse (132400030331), we get a palindrome (265430034562).

The spelling of 133030004231 in words is "one hundred thirty-three billion, thirty million, four thousand, two hundred thirty-one".