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31302003032 = 2317973923633
BaseRepresentation
bin11101001001101111…
…101010100101011000
32222210111020111202122
4131021233222211120
51003101303044112
622214022320412
72155456431026
oct351157524530
988714214678
1031302003032
111230318a1a3
126096b89108
132c4b0519b1
14172d32b716
15c330b2872
hex749bea958

31302003032 has 32 divisors (see below), whose sum is σ = 62152693200. Its totient is φ = 14728218624.

The previous prime is 31302003001. The next prime is 31302003041. The reversal of 31302003032 is 23030020313.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 31302003032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312688 + ... + 1336320.

Almost surely, 231302003032 is an apocalyptic number.

It is an amenable number.

31302003032 is a deficient number, since it is larger than the sum of its proper divisors (30850690168).

31302003032 is a wasteful number, since it uses less digits than its factorization.

31302003032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33395 (or 33391 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 31302003032 its reverse (23030020313), we get a palindrome (54332023345).

The spelling of 31302003032 in words is "thirty-one billion, three hundred two million, three thousand, thirty-two".

Divisors: 1 2 4 8 17 34 68 136 9739 19478 23633 38956 47266 77912 94532 165563 189064 331126 401761 662252 803522 1324504 1607044 3214088 230161787 460323574 920647148 1841294296 3912750379 7825500758 15651001516 31302003032