Search a number
-
+
31104400322 = 2613895031303
BaseRepresentation
bin11100111101111101…
…110111101111000010
32222021201102020210202
4130331331313233002
51002200211302242
622142243125202
72150540016602
oct347575675702
988251366722
1031104400322
1112211694376
126040973802
132c19126908
141710db0c02
15c20a7d932
hex73df77bc2

31104400322 has 32 divisors (see below), whose sum is σ = 47674448640. Its totient is φ = 15215901120.

The previous prime is 31104400309. The next prime is 31104400331. The reversal of 31104400322 is 22300440113.

It is a junction number, because it is equal to n+sod(n) for n = 31104400294 and 31104400303.

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, 23870723 + ... + 23872025.

It is an arithmetic number, because the mean of its divisors is an integer number (1489826520).

Almost surely, 231104400322 is an apocalyptic number.

31104400322 is a deficient number, since it is larger than the sum of its proper divisors (16570048318).

31104400322 is a wasteful number, since it uses less digits than its factorization.

31104400322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31104400322 its reverse (22300440113), we get a palindrome (53404840435).

The spelling of 31104400322 in words is "thirty-one billion, one hundred four million, four hundred thousand, three hundred twenty-two".

Divisors: 1 2 61 122 389 503 778 1006 1303 2606 23729 30683 47458 61366 79483 158966 195667 391334 506867 655409 1013734 1310818 11935687 23871374 30918887 39979949 61837774 79959898 254954101 509908202 15552200161 31104400322