Search a number
-
+
31113035224 = 235576982279
BaseRepresentation
bin11100111110011110…
…110011110111011000
32222022022122221122221
4130332132303313120
51002204414111344
622143152153424
72151003302335
oct347636636730
988268587587
1031113035224
1112216551957
126043838874
132c1ab5b01b
1417121bb98c
15c216d7184
hex73e7b3dd8

31113035224 has 16 divisors (see below), whose sum is σ = 58441683600. Its totient is φ = 15528586272.

The previous prime is 31113035201. The next prime is 31113035227. The reversal of 31113035224 is 42253031113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113035227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3486684 + ... + 3495595.

It is an arithmetic number, because the mean of its divisors is an integer number (3652605225).

Almost surely, 231113035224 is an apocalyptic number.

It is an amenable number.

31113035224 is a deficient number, since it is larger than the sum of its proper divisors (27328648376).

31113035224 is a wasteful number, since it uses less digits than its factorization.

31113035224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6982842 (or 6982838 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 31113035224 its reverse (42253031113), we get a palindrome (73366066337).

The spelling of 31113035224 in words is "thirty-one billion, one hundred thirteen million, thirty-five thousand, two hundred twenty-four".

Divisors: 1 2 4 8 557 1114 2228 4456 6982279 13964558 27929116 55858232 3889129403 7778258806 15556517612 31113035224