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130312211 is a prime number
BaseRepresentation
bin1111100010001…
…10100000010011
3100002012112202012
413301012200103
5231324442321
620533013135
73141430661
oct761064023
9302175665
10130312211
1167615547
12377841ab
1320cc7923
1413441c31
15b69105b
hex7c46813

130312211 has 2 divisors, whose sum is σ = 130312212. Its totient is φ = 130312210.

The previous prime is 130312199. The next prime is 130312219. The reversal of 130312211 is 112213031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130312211 - 210 = 130311187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (130312219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65156105 + 65156106.

It is an arithmetic number, because the mean of its divisors is an integer number (65156106).

Almost surely, 2130312211 is an apocalyptic number.

130312211 is a deficient number, since it is larger than the sum of its proper divisors (1).

130312211 is an equidigital number, since it uses as much as digits as its factorization.

130312211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 130312211 is about 11415.4373985406. The cubic root of 130312211 is about 506.9849155270.

Adding to 130312211 its reverse (112213031), we get a palindrome (242525242).

The spelling of 130312211 in words is "one hundred thirty million, three hundred twelve thousand, two hundred eleven".