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31304024024 = 2371366165053
BaseRepresentation
bin11101001001110111…
…010111111111011000
32222210122001012001012
4131021313113333120
51003102312232044
622214133513052
72155512546110
oct351167277730
988718035035
1031304024024
111230433a639
1260977a2788
132c4b5ab850
14172d6d6040
15c3336159e
hex749dd7fd8

31304024024 has 64 divisors (see below), whose sum is σ = 72350456640. Its totient is φ = 12365084160.

The previous prime is 31304023991. The next prime is 31304024033. The reversal of 31304024024 is 42042040313.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 448682 + ... + 513734.

It is an arithmetic number, because the mean of its divisors is an integer number (1130475885).

Almost surely, 231304024024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31304024024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36175228320).

31304024024 is an abundant number, since it is smaller than the sum of its proper divisors (41046432616).

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

31304024024 is a wasteful number, since it uses less digits than its factorization.

31304024024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65740 (or 65736 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31304024024 its reverse (42042040313), we get a palindrome (73346064337).

The spelling of 31304024024 in words is "thirty-one billion, three hundred four million, twenty-four thousand, twenty-four".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 661 728 1322 2644 4627 5288 8593 9254 17186 18508 34372 37016 60151 65053 68744 120302 130106 240604 260212 455371 481208 520424 845689 910742 1691378 1821484 3382756 3642968 5919823 6765512 11839646 23679292 43000033 47358584 86000066 172000132 301000231 344000264 559000429 602000462 1118000858 1204000924 2236001716 2408001848 3913003003 4472003432 7826006006 15652012012 31304024024