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1304330231 is a prime number
BaseRepresentation
bin100110110111110…
…0111111111110111
310100220022211201002
41031233213333313
510132402031411
6333232153515
744215424021
oct11557477767
93326284632
101304330231
1160a295676
1230499889b
1317a2c2c49
14c532b011
157979833b
hex4dbe7ff7

1304330231 has 2 divisors, whose sum is σ = 1304330232. Its totient is φ = 1304330230.

The previous prime is 1304330197. The next prime is 1304330249. The reversal of 1304330231 is 1320334031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1304330231 - 214 = 1304313847 is a prime.

It is a super-2 number, since 2×13043302312 = 3402554703001026722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304330431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652165115 + 652165116.

It is an arithmetic number, because the mean of its divisors is an integer number (652165116).

Almost surely, 21304330231 is an apocalyptic number.

1304330231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304330231 is an equidigital number, since it uses as much as digits as its factorization.

1304330231 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.

The square root of 1304330231 is about 36115.5123319606. The cubic root of 1304330231 is about 1092.6033306639.

Adding to 1304330231 its reverse (1320334031), we get a palindrome (2624664262).

The spelling of 1304330231 in words is "one billion, three hundred four million, three hundred thirty thousand, two hundred thirty-one".