Search a number
-
+
31010001002 = 2174328337487
BaseRepresentation
bin11100111000010101…
…110001000001101010
32222001010210021021122
4130320111301001222
51002002030013002
622125031535242
72145312442121
oct347025610152
988033707248
1031010001002
1112173378802
12601522a522
132c026c4426
14170263aab8
15c176336a2
hex73857106a

31010001002 has 32 divisors (see below), whose sum is σ = 50421076992. Its totient is φ = 14246636544.

The previous prime is 31010000977. The next prime is 31010001037. The reversal of 31010001002 is 20010001013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4138103 + ... + 4145589.

It is an arithmetic number, because the mean of its divisors is an integer number (1575658656).

Almost surely, 231010001002 is an apocalyptic number.

31010001002 is a deficient number, since it is larger than the sum of its proper divisors (19411075990).

31010001002 is a wasteful number, since it uses less digits than its factorization.

31010001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10382.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 31010001002 its reverse (20010001013), we get a palindrome (51020002015).

The spelling of 31010001002 in words is "thirty-one billion, ten million, one thousand, two".

Divisors: 1 2 17 34 43 86 731 1462 2833 5666 7487 14974 48161 96322 121819 127279 243638 254558 321941 643882 2070923 4141846 5472997 10945994 21210671 42421342 360581407 721162814 912058853 1824117706 15505000501 31010001002