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231302100130 = 25171360600589
BaseRepresentation
bin1101011101101010101…
…1011111010010100010
3211010000211201010110021
43113122223133102202
512242201314201010
6254131514424054
722465611261103
oct3273253372242
9733024633407
10231302100130
118a105007342
12389b273202a
1318a723a610a
14b2a34363aa
15603b5558da
hex35daadf4a2

231302100130 has 16 divisors (see below), whose sum is σ = 440834591160. Its totient is φ = 87078437632.

The previous prime is 231302100121. The next prime is 231302100143. The reversal of 231302100130 is 31001203132.

It can be written as a sum of positive squares in 4 ways, for example, as 172795681969 + 58506418161 = 415687^2 + 241881^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680300125 + ... + 680300464.

Almost surely, 2231302100130 is an apocalyptic number.

231302100130 is a deficient number, since it is larger than the sum of its proper divisors (209532491030).

231302100130 is a wasteful number, since it uses less digits than its factorization.

231302100130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360600613.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 231302100130 its reverse (31001203132), we get a palindrome (262303303262).

The spelling of 231302100130 in words is "two hundred thirty-one billion, three hundred two million, one hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 1360600589 2721201178 6803002945 13606005890 23130210013 46260420026 115651050065 231302100130