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102300231 = 3113100007
BaseRepresentation
bin1100001100011…
…11101001000111
321010111101112110
412012033221013
5202142101411
614052352103
72351352255
oct606175107
9233441473
10102300231
1152822750
122a315633
131826a7a7
14d82d5d5
158eab2a6
hex618fa47

102300231 has 8 divisors (see below), whose sum is σ = 148800384. Its totient is φ = 62000120.

The previous prime is 102300221. The next prime is 102300241. The reversal of 102300231 is 132003201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102300221) and next prime (102300241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102300231 - 26 = 102300167 is a prime.

It is a super-2 number, since 2×1023002312 = 20930674525306722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102300221) 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, 1549971 + ... + 1550036.

It is an arithmetic number, because the mean of its divisors is an integer number (18600048).

Almost surely, 2102300231 is an apocalyptic number.

102300231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102300231 is a deficient number, since it is larger than the sum of its proper divisors (46500153).

102300231 is a wasteful number, since it uses less digits than its factorization.

102300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100021.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 102300231 is about 10114.3576662090. The cubic root of 102300231 is about 467.6908479470.

Adding to 102300231 its reverse (132003201), we get a palindrome (234303432).

The spelling of 102300231 in words is "one hundred two million, three hundred thousand, two hundred thirty-one".

Divisors: 1 3 11 33 3100007 9300021 34100077 102300231