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3102121031101 = 9193513374251
BaseRepresentation
bin101101001001000100110…
…100100111010110111101
3101222120010011000011101021
4231021010310213112331
5401311120440443401
610333032243344141
7440056310461531
oct55110464472675
911876104004337
103102121031101
11a966694a4944
12421266082051
131966b48b2021
14aa201919bc1
1555a5ec9c2a1
hex2d244d275bd

3102121031101 has 4 divisors (see below), whose sum is σ = 3102125324704. Its totient is φ = 3102116737500.

The previous prime is 3102121031003. The next prime is 3102121031111. The reversal of 3102121031101 is 1011301212013.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 3102121031101 - 219 = 3102120506813 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 (3102121031111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767775 + ... + 2606476.

It is an arithmetic number, because the mean of its divisors is an integer number (775531331176).

Almost surely, 23102121031101 is an apocalyptic number.

It is an amenable number.

3102121031101 is a deficient number, since it is larger than the sum of its proper divisors (4293603).

3102121031101 is an equidigital number, since it uses as much as digits as its factorization.

3102121031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293602.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 3102121031101 its reverse (1011301212013), we get a palindrome (4113422243114).

The spelling of 3102121031101 in words is "three trillion, one hundred two billion, one hundred twenty-one million, thirty-one thousand, one hundred one".

Divisors: 1 919351 3374251 3102121031101