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331401122 = 21312746197
BaseRepresentation
bin10011110000001…
…100011110100010
3212002120220212122
4103300030132202
51134314313442
652515024242
711132602013
oct2360143642
9762526778
10331401122
11160081628
1292b9b082
1353873750
143202900a
151e162dd2
hex13c0c7a2

331401122 has 8 divisors (see below), whose sum is σ = 535340316. Its totient is φ = 152954352.

The previous prime is 331401121. The next prime is 331401139. The reversal of 331401122 is 221104133.

It can be written as a sum of positive squares in 2 ways, for example, as 327284281 + 4116841 = 18091^2 + 2029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 331401122.

It is not an unprimeable number, because it can be changed into a prime (331401121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6373073 + ... + 6373124.

Almost surely, 2331401122 is an apocalyptic number.

331401122 is a deficient number, since it is larger than the sum of its proper divisors (203939194).

331401122 is a wasteful number, since it uses less digits than its factorization.

331401122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12746212.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 331401122 is about 18204.4258904257. The cubic root of 331401122 is about 692.0189568465.

Adding to 331401122 its reverse (221104133), we get a palindrome (552505255).

The spelling of 331401122 in words is "three hundred thirty-one million, four hundred one thousand, one hundred twenty-two".

Divisors: 1 2 13 26 12746197 25492394 165700561 331401122