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331030101 = 3110343367
BaseRepresentation
bin10011101110110…
…001111001010101
3212001220001221010
4103232301321111
51134220430401
652503042433
711126465223
oct2356617125
9761801833
10331030101
1115a9488a6
1292a40419
13537738cc
1431d6db13
151e0dced6
hex13bb1e55

331030101 has 4 divisors (see below), whose sum is σ = 441373472. Its totient is φ = 220686732.

The previous prime is 331030097. The next prime is 331030109. The reversal of 331030101 is 101030133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 331030101 - 22 = 331030097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331030109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 55171681 + ... + 55171686.

It is an arithmetic number, because the mean of its divisors is an integer number (110343368).

Almost surely, 2331030101 is an apocalyptic number.

It is an amenable number.

331030101 is a deficient number, since it is larger than the sum of its proper divisors (110343371).

331030101 is a wasteful number, since it uses less digits than its factorization.

331030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110343370.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 331030101 is about 18194.2326301496. The cubic root of 331030101 is about 691.7606098621.

Adding to 331030101 its reverse (101030133), we get a palindrome (432060234).

It can be divided in two parts, 3310 and 30101, that added together give a triangular number (33411 = T258).

The spelling of 331030101 in words is "three hundred thirty-one million, thirty thousand, one hundred one".

Divisors: 1 3 110343367 331030101