Search a number
-
+
31132213300 = 2252674646599
BaseRepresentation
bin11100111111100111…
…111110000000110100
32222100122202022001001
4130333213332000310
51002224321311200
622145115213044
72151325306156
oct347747760064
988318668031
1031132213300
1112226360701
12604a147184
132c21b142b6
141714970ad6
15c2322476a
hex73f9fe034

31132213300 has 36 divisors (see below), whose sum is σ = 68565229600. Its totient is φ = 12267018720.

The previous prime is 31132213283. The next prime is 31132213349. The reversal of 31132213300 is 331223113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2316600 + ... + 2329999.

Almost surely, 231132213300 is an apocalyptic number.

It is an amenable number.

31132213300 is an abundant number, since it is smaller than the sum of its proper divisors (37433016300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31132213300 is a wasteful number, since it uses less digits than its factorization.

31132213300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646680 (or 4646673 counting only the distinct ones).

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

Adding to 31132213300 its reverse (331223113), we get a palindrome (31463436413).

The spelling of 31132213300 in words is "thirty-one billion, one hundred thirty-two million, two hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 67 100 134 268 335 670 1340 1675 3350 6700 4646599 9293198 18586396 23232995 46465990 92931980 116164975 232329950 311322133 464659900 622644266 1245288532 1556610665 3113221330 6226442660 7783053325 15566106650 31132213300