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312331070 = 25130124007
BaseRepresentation
bin10010100111011…
…100101100111110
3210202201001200102
4102213130230332
51114424043240
650554201102
710511525132
oct2247345476
9722631612
10312331070
11150336a57
1288723192
134c9276ac
142d6a33c2
151c647815
hex129dcb3e

312331070 has 16 divisors (see below), whose sum is σ = 562651488. Its totient is φ = 124831200.

The previous prime is 312331069. The next prime is 312331081. The reversal of 312331070 is 70133213.

It is a happy number.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1007 + ... + 25013.

It is an arithmetic number, because the mean of its divisors is an integer number (35165718).

Almost surely, 2312331070 is an apocalyptic number.

312331070 is a deficient number, since it is larger than the sum of its proper divisors (250320418).

312331070 is a wasteful number, since it uses less digits than its factorization.

312331070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25315.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 312331070 is about 17672.8908218209. The cubic root of 312331070 is about 678.4821030236.

Adding to 312331070 its reverse (70133213), we get a palindrome (382464283).

The spelling of 312331070 in words is "three hundred twelve million, three hundred thirty-one thousand, seventy".

Divisors: 1 2 5 10 1301 2602 6505 13010 24007 48014 120035 240070 31233107 62466214 156165535 312331070