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31233233132 = 22377110129429
BaseRepresentation
bin11101000101101001…
…010101000011101100
32222121200211122012022
4131011221111003230
51002431201430012
622203124325312
72153663046503
oct350551250354
988550748168
1031233233132
1112278389372
126077b43838
132c39a2404a
14172414983a
15c2c02b472
hex745a550ec

31233233132 has 48 divisors (see below), whose sum is σ = 57491622720. Its totient is φ = 14831712000.

The previous prime is 31233233117. The next prime is 31233233149. The reversal of 31233233132 is 23133233213.

It is a happy number.

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, 1046594 + ... + 1076022.

It is an arithmetic number, because the mean of its divisors is an integer number (1197742140).

Almost surely, 231233233132 is an apocalyptic number.

It is an amenable number.

31233233132 is a deficient number, since it is larger than the sum of its proper divisors (26258389588).

31233233132 is a wasteful number, since it uses less digits than its factorization.

31233233132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29642 (or 29640 counting only the distinct ones).

The product of its digits is 5832, while the sum is 26.

Adding to 31233233132 its reverse (23133233213), we get a palindrome (54366466345).

The spelling of 31233233132 in words is "thirty-one billion, two hundred thirty-three million, two hundred thirty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 37 71 74 101 142 148 202 284 404 2627 3737 5254 7171 7474 10508 14342 14948 28684 29429 58858 117716 265327 530654 1061308 1088873 2089459 2177746 2972329 4178918 4355492 5944658 8357836 11889316 77309983 109976173 154619966 211035359 219952346 309239932 422070718 439904692 844141436 7808308283 15616616566 31233233132