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3102131002131 = 327172896480861
BaseRepresentation
bin101101001001000101011…
…010101001101100010011
3101222120010211202202001200
4231021011122221230103
5401311131014032011
610333033241202243
7440056461310560
oct55110532515423
911876124682050
103102131002131
11a96674095267
12421269490383
131966b6993645
14aa202d93867
1555a60abb856
hex2d2456a9b13

3102131002131 has 24 divisors (see below), whose sum is σ = 5422212173664. Its totient is φ = 1668372975360.

The previous prime is 3102131002121. The next prime is 3102131002151. The reversal of 3102131002131 is 1312001312013.

3102131002131 is a `hidden beast` number, since 310 + 21 + 310 + 0 + 21 + 3 + 1 = 666.

It is not a de Polignac number, because 3102131002131 - 213 = 3102130993939 is a prime.

It is a super-2 number, since 2×31021310021312 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3102131002121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1448239360 + ... + 1448241501.

It is an arithmetic number, because the mean of its divisors is an integer number (225925507236).

Almost surely, 23102131002131 is an apocalyptic number.

3102131002131 is a deficient number, since it is larger than the sum of its proper divisors (2320081171533).

3102131002131 is a wasteful number, since it uses less digits than its factorization.

3102131002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896480891 (or 2896480888 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 3102131002131 its reverse (1312001312013), we get a palindrome (4414132314144).

The spelling of 3102131002131 in words is "three trillion, one hundred two billion, one hundred thirty-one million, two thousand, one hundred thirty-one".

Divisors: 1 3 7 9 17 21 51 63 119 153 357 1071 2896480861 8689442583 20275366027 26068327749 49240174637 60826098081 147720523911 182478294243 344681222459 443161571733 1034043667377 3102131002131