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231113210001 = 3374150782951
BaseRepresentation
bin1101011100111101101…
…0111011100010010001
3211002112200021111220120
43113033122323202101
512241304440210001
6254101050100453
722461125605032
oct3271732734221
9732480244816
10231113210001
118a0184223a3
123895b41a729
1318a4220b8cb
14b286306a89
156029b93236
hex35cf6bb891

231113210001 has 16 divisors (see below), whose sum is σ = 324198365568. Its totient is φ = 146254896000.

The previous prime is 231113209991. The next prime is 231113210063. The reversal of 231113210001 is 100012311132.

It is a happy number.

It is not a de Polignac number, because 231113210001 - 226 = 231046101137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231113215001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25386925 + ... + 25396026.

It is an arithmetic number, because the mean of its divisors is an integer number (20262397848).

Almost surely, 2231113210001 is an apocalyptic number.

It is an amenable number.

231113210001 is a deficient number, since it is larger than the sum of its proper divisors (93085155567).

231113210001 is a wasteful number, since it uses less digits than its factorization.

231113210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50783032.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231113210001 its reverse (100012311132), we get a palindrome (331125521133).

It can be divided in two parts, 2311132 and 10001, that multiplied together give a palindrome (23113631132).

The spelling of 231113210001 in words is "two hundred thirty-one billion, one hundred thirteen million, two hundred ten thousand, one".

Divisors: 1 3 37 41 111 123 1517 4551 50782951 152348853 1878969187 2082100991 5636907561 6246302973 77037736667 231113210001