Search a number
-
+
31302443044 = 2261831545647
BaseRepresentation
bin11101001001110001…
…010110000000100100
32222210112001212100101
4131021301112000210
51003101411134134
622214035553444
72155463242615
oct351161260044
988715055311
1031302443044
111230345a844
12609715b884
132c4b177062
14172d403c0c
15c3314ce14
hex749c56024

31302443044 has 24 divisors (see below), whose sum is σ = 56348143488. Its totient is φ = 15209156640.

The previous prime is 31302443033. The next prime is 31302443059. The reversal of 31302443044 is 44034420313.

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, 752572 + ... + 793075.

It is an arithmetic number, because the mean of its divisors is an integer number (2347839312).

Almost surely, 231302443044 is an apocalyptic number.

It is an amenable number.

31302443044 is a deficient number, since it is larger than the sum of its proper divisors (25045700444).

31302443044 is a wasteful number, since it uses less digits than its factorization.

31302443044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545795 (or 1545793 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 31302443044 its reverse (44034420313), we get a palindrome (75336863357).

The spelling of 31302443044 in words is "thirty-one billion, three hundred two million, four hundred forty-three thousand, forty-four".

Divisors: 1 2 4 61 83 122 166 244 332 5063 10126 20252 1545647 3091294 6182588 94284467 128288701 188568934 256577402 377137868 513154804 7825610761 15651221522 31302443044