Search a number
-
+
31444402314 = 2313403133363
BaseRepresentation
bin11101010010001110…
…111000000010001010
310000011102012010212010
4131102032320002022
51003344231333224
622240110400350
72162136003213
oct352216700212
9100142163763
1031444402314
11123765aa956
1261168000b6
132c716bc120
1417441d840a
15c4083ee29
hex7523b808a

31444402314 has 16 divisors (see below), whose sum is σ = 67726405152. Its totient is φ = 9675200688.

The previous prime is 31444402309. The next prime is 31444402349. The reversal of 31444402314 is 41320444413.

It is a super-3 number, since 3×314444023143 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201566604 + ... + 201566759.

It is an arithmetic number, because the mean of its divisors is an integer number (4232900322).

Almost surely, 231444402314 is an apocalyptic number.

31444402314 is an abundant number, since it is smaller than the sum of its proper divisors (36282002838).

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

31444402314 is a wasteful number, since it uses less digits than its factorization.

31444402314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403133381.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 31444402314 its reverse (41320444413), we get a palindrome (72764846727).

The spelling of 31444402314 in words is "thirty-one billion, four hundred forty-four million, four hundred two thousand, three hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 403133363 806266726 1209400089 2418800178 5240733719 10481467438 15722201157 31444402314