Search a number
-
+
2101333231031 = 127269467131711
BaseRepresentation
bin11110100101000001001…
…110001000010110110111
321102212220112012100100212
4132211001032020112313
5233412012301343111
64245201131500035
7304546665520346
oct36450116102667
97385815170325
102101333231031
11740196911111
1229b3042b761b
131232023455c8
14739c2a01b5d
15399d92bd98b
hex1e9413885b7

2101333231031 has 16 divisors (see below), whose sum is σ = 2130320424960. Its totient is φ = 2072573808480.

The previous prime is 2101333230991. The next prime is 2101333231037. The reversal of 2101333231031 is 1301323331012.

It is a cyclic number.

It is not a de Polignac number, because 2101333231031 - 214 = 2101333214647 is a prime.

It is a super-2 number, since 2×21013332310312 (a number of 25 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 = 2101333230988 and 2101333231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101333231037) 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, 15888266 + ... + 16019976.

It is an arithmetic number, because the mean of its divisors is an integer number (133145026560).

Almost surely, 22101333231031 is an apocalyptic number.

2101333231031 is a deficient number, since it is larger than the sum of its proper divisors (28987193929).

2101333231031 is a wasteful number, since it uses less digits than its factorization.

2101333231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132574.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 2101333231031 its reverse (1301323331012), we get a palindrome (3402656562043).

The spelling of 2101333231031 in words is "two trillion, one hundred one billion, three hundred thirty-three million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 127 269 467 34163 59309 125623 131711 15954121 16727297 35430259 61509037 4499642893 7811647699 16545930953 2101333231031