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3101031121 = 9738383471
BaseRepresentation
bin1011100011010101…
…1111101011010001
322000010010200222111
42320311133223101
522322330443441
61231413505321
7136563221026
oct27065375321
98003120874
103101031121
1113514a6641
12726642241
133a55c9476
14215bc554d
1513239e081
hexb8d5fad1

3101031121 has 8 divisors (see below), whose sum is σ = 3141218304. Its totient is φ = 3061011840.

The previous prime is 3101031107. The next prime is 3101031127. The reversal of 3101031121 is 1211301013.

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

It is a cyclic number.

It is not a de Polignac number, because 3101031121 - 213 = 3101022929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3101031127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585 + ... + 78886.

It is an arithmetic number, because the mean of its divisors is an integer number (392652288).

Almost surely, 23101031121 is an apocalyptic number.

It is an amenable number.

3101031121 is a deficient number, since it is larger than the sum of its proper divisors (40187183).

3101031121 is an equidigital number, since it uses as much as digits as its factorization.

3101031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83951.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 3101031121 is about 55686.9025983669. The cubic root of 3101031121 is about 1458.2613821270.

Adding to 3101031121 its reverse (1211301013), we get a palindrome (4312332134).

The spelling of 3101031121 in words is "three billion, one hundred one million, thirty-one thousand, one hundred twenty-one".

Divisors: 1 97 383 37151 83471 8096687 31969393 3101031121