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10331230231 = 75231282143
BaseRepresentation
bin10011001111100101…
…00001000000010111
3222200000000212120201
421213302201000113
5132124243331411
64425054041331
7514006002520
oct114762410027
928600025521
1010331230231
11442178a203
122003aa9247
13c885011aa
14700145847
15406eda3c1
hex267ca1017

10331230231 has 8 divisors (see below), whose sum is σ = 11809419264. Its totient is φ = 8853615960.

The previous prime is 10331230219. The next prime is 10331230237. The reversal of 10331230231 is 13203213301.

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

It is not a de Polignac number, because 10331230231 - 219 = 10330705943 is a prime.

It is a super-2 number, since 2×103312302312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10331230199 and 10331230208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331230237) 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, 104455 + ... + 177688.

It is an arithmetic number, because the mean of its divisors is an integer number (1476177408).

Almost surely, 210331230231 is an apocalyptic number.

10331230231 is a deficient number, since it is larger than the sum of its proper divisors (1478189033).

10331230231 is an equidigital number, since it uses as much as digits as its factorization.

10331230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287381.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 10331230231 its reverse (13203213301), we get a palindrome (23534443532).

The spelling of 10331230231 in words is "ten billion, three hundred thirty-one million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 7 5231 36617 282143 1975001 1475890033 10331230231