Search a number
-
+
231024333421331 = 17311459715142017
BaseRepresentation
bin110100100001110110001011…
…010100111111101100010011
31010021222201012000101010022122
4310201312023110333230103
5220240100313323440311
62135203040312524455
766442646230311302
oct6441661324775423
91107881160333278
10231024333421331
116767a96247395a
1221ab20919b072b
139bba669093108
1441098cd046439
151ba97169d20db
hexd21d8b53fb13

231024333421331 has 32 divisors (see below), whose sum is σ = 252719190466560. Its totient is φ = 210242013696000.

The previous prime is 231024333421327. The next prime is 231024333421373. The reversal of 231024333421331 is 133124333420132.

It is a cyclic number.

It is not a de Polignac number, because 231024333421331 - 22 = 231024333421327 is a prime.

It is a super-2 number, since 2×2310243334213312 (a number of 30 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 = 231024333421291 and 231024333421300.

It is not an unprimeable number, because it can be changed into a prime (231024333021331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5498332835 + ... + 5498374851.

It is an arithmetic number, because the mean of its divisors is an integer number (7897474702080).

Almost surely, 2231024333421331 is an apocalyptic number.

231024333421331 is a deficient number, since it is larger than the sum of its proper divisors (21694857045229).

231024333421331 is a wasteful number, since it uses less digits than its factorization.

231024333421331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50675.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 231024333421331 its reverse (133124333420132), we get a palindrome (364148666841463).

The spelling of 231024333421331 in words is "two hundred thirty-one trillion, twenty-four billion, three hundred thirty-three million, four hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 17 31 527 1459 7151 24803 42017 45229 121567 221681 714289 768893 1302527 3768577 10433309 22142959 61302803 177366253 300463567 323432579 1042147651 1900386893 5107880639 5498353843 9314370577 32306577181 158344299809 438376344253 7452397852301 13589666671843 231024333421331