Search a number
-
+
31000301310 = 23511412291227
BaseRepresentation
bin11100110111110000…
…110000111011111110
32222000110112110210210
4130313300300323332
51001442034120220
622124044013250
72145134133126
oct346760607376
988013473723
1031000301310
1112168953230
126011b31226
132c006a9474
141701233c86
15c168696e0
hex737c30efe

31000301310 has 64 divisors (see below), whose sum is σ = 83144081664. Its totient is φ = 7331923200.

The previous prime is 31000301309. The next prime is 31000301341. The reversal of 31000301310 is 1310300013.

It is a super-2 number, since 2×310003013102 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1132084 + ... + 1159143.

It is an arithmetic number, because the mean of its divisors is an integer number (1299126276).

Almost surely, 231000301310 is an apocalyptic number.

31000301310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31000301310 is an abundant number, since it is smaller than the sum of its proper divisors (52143780354).

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

31000301310 is a wasteful number, since it uses less digits than its factorization.

31000301310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291289.

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 31000301310 its reverse (1310300013), we get a palindrome (32310601323).

The spelling of 31000301310 in words is "thirty-one billion, three hundred one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 41 55 66 82 110 123 165 205 246 330 410 451 615 902 1230 1353 2255 2706 4510 6765 13530 2291227 4582454 6873681 11456135 13747362 22912270 25203497 34368405 50406994 68736810 75610491 93940307 126017485 151220982 187880614 252034970 281820921 378052455 469701535 563641842 756104910 939403070 1033343377 1409104605 2066686754 2818209210 3100030131 5166716885 6200060262 10333433770 15500150655 31000301310