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31234010200 = 2352156170051
BaseRepresentation
bin11101000101101100…
…010010110001011000
32222121202022010010121
4131011230102301120
51002431401311300
622203153123024
72154002464141
oct350554226130
988552263117
1031234010200
111227886a178
126078259474
132c39c36953
1417242acac8
15c2c13181a
hex745b12c58

31234010200 has 24 divisors (see below), whose sum is σ = 72619074180. Its totient is φ = 12493604000.

The previous prime is 31234010113. The next prime is 31234010201. The reversal of 31234010200 is 201043213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234010201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78084826 + ... + 78085225.

Almost surely, 231234010200 is an apocalyptic number.

It is an amenable number.

31234010200 is an abundant number, since it is smaller than the sum of its proper divisors (41385063980).

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

31234010200 is a wasteful number, since it uses less digits than its factorization.

31234010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156170067 (or 156170058 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31234010200 its reverse (201043213), we get a palindrome (31435053413).

The spelling of 31234010200 in words is "thirty-one billion, two hundred thirty-four million, ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 156170051 312340102 624680204 780850255 1249360408 1561700510 3123401020 3904251275 6246802040 7808502550 15617005100 31234010200