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31324405004 = 221371791971621
BaseRepresentation
bin11101001011000101…
…000111110100001100
32222212001101122111022
4131023011013310030
51003123021430004
622220142413312
72156151022634
oct351305076414
988761348438
1031324405004
11123148a0122
1260a2591238
132c528964b9
1417322bd6c4
15c3503a2be
hex74b147d0c

31324405004 has 48 divisors (see below), whose sum is σ = 55842605280. Its totient is φ = 15373048320.

The previous prime is 31324404997. The next prime is 31324405097. The reversal of 31324405004 is 40050442313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19323314 + ... + 19324934.

It is an arithmetic number, because the mean of its divisors is an integer number (1163387610).

Almost surely, 231324405004 is an apocalyptic number.

It is an amenable number.

31324405004 is a deficient number, since it is larger than the sum of its proper divisors (24518200276).

31324405004 is a wasteful number, since it uses less digits than its factorization.

31324405004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 31324405004 its reverse (40050442313), we get a palindrome (71374847317).

The spelling of 31324405004 in words is "thirty-one billion, three hundred twenty-four million, four hundred five thousand, four".

Divisors: 1 2 4 137 179 197 274 358 394 548 716 788 1621 3242 6484 24523 26989 35263 49046 53978 70526 98092 107956 141052 222077 290159 319337 444154 580318 638674 888308 1160636 1277348 4831031 9662062 19324124 39751783 43749169 57161323 79503566 87498338 114322646 159007132 174996676 228645292 7831101251 15662202502 31324405004