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231344153230 = 25107216209489
BaseRepresentation
bin1101011101110100101…
…1111010001010001110
3211010010202211122110111
43113131023322022032
512242243100400410
6254140020030234
722466631566641
oct3273513721216
9733122748414
10231344153230
118a12681a473
1238a0483237a
1318a7b00b2c8
14b2a8c61a58
1560400b0b8a
hex35dd2fa28e

231344153230 has 16 divisors (see below), whose sum is σ = 420311248560. Its totient is φ = 91672822912.

The previous prime is 231344153177. The next prime is 231344153239. The reversal of 231344153230 is 32351443132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231344153192 and 231344153201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231344153239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108103675 + ... + 108105814.

It is an arithmetic number, because the mean of its divisors is an integer number (26269453035).

Almost surely, 2231344153230 is an apocalyptic number.

231344153230 is a deficient number, since it is larger than the sum of its proper divisors (188967095330).

231344153230 is a wasteful number, since it uses less digits than its factorization.

231344153230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216209603.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 231344153230 its reverse (32351443132), we get a palindrome (263695596362).

The spelling of 231344153230 in words is "two hundred thirty-one billion, three hundred forty-four million, one hundred fifty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 216209489 432418978 1081047445 2162094890 23134415323 46268830646 115672076615 231344153230