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331023022 = 21131485371
BaseRepresentation
bin10011101110110…
…000001010101110
3212001212201012221
4103232300022232
51134220214042
652502545554
711126435461
oct2356601256
9761781187
10331023022
1115a943550
1292a382ba
1353770615
1431d6b2d8
151e0dad67
hex13bb02ae

331023022 has 16 divisors (see below), whose sum is σ = 559148544. Its totient is φ = 145611000.

The previous prime is 331023013. The next prime is 331023029. The reversal of 331023022 is 220320133.

It is a junction number, because it is equal to n+sod(n) for n = 331022987 and 331023005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331023029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242004 + ... + 243367.

It is an arithmetic number, because the mean of its divisors is an integer number (34946784).

Almost surely, 2331023022 is an apocalyptic number.

331023022 is a deficient number, since it is larger than the sum of its proper divisors (228125522).

331023022 is a wasteful number, since it uses less digits than its factorization.

331023022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485415.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 331023022 is about 18194.0380894402. The cubic root of 331023022 is about 691.7556787816.

Adding to 331023022 its reverse (220320133), we get a palindrome (551343155).

The spelling of 331023022 in words is "three hundred thirty-one million, twenty-three thousand, twenty-two".

Divisors: 1 2 11 22 31 62 341 682 485371 970742 5339081 10678162 15046501 30093002 165511511 331023022