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232130551 is a prime number
BaseRepresentation
bin11011101011000…
…00011111110111
3121011210110020211
431311200133313
5433411134201
635011210251
75516035312
oct1565403767
9534713224
10232130551
1110a039134
12658a6987
1339126c73
1422b87979
15155a4651
hexdd607f7

232130551 has 2 divisors, whose sum is σ = 232130552. Its totient is φ = 232130550.

The previous prime is 232130537. The next prime is 232130567. The reversal of 232130551 is 155031232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232130551 - 211 = 232128503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232130531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116065275 + 116065276.

It is an arithmetic number, because the mean of its divisors is an integer number (116065276).

Almost surely, 2232130551 is an apocalyptic number.

232130551 is a deficient number, since it is larger than the sum of its proper divisors (1).

232130551 is an equidigital number, since it uses as much as digits as its factorization.

232130551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 232130551 is about 15235.8311555360. The cubic root of 232130551 is about 614.5786004311.

Adding to 232130551 its reverse (155031232), we get a palindrome (387161783).

The spelling of 232130551 in words is "two hundred thirty-two million, one hundred thirty thousand, five hundred fifty-one".