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3103000302121 = 3124799305543
BaseRepresentation
bin101101001001111001001…
…110110001001000101001
3101222122101102111202110121
4231021321032301020221
5401314421034131441
610333255413243241
7440120145244066
oct55117116611051
911878342452417
103103000302121
11a96a7a859205
12421470633521
131967c4acb535
14aa2865dbc6d
1555ab2081dd1
hex2d2793b1229

3103000302121 has 4 divisors (see below), whose sum is σ = 3103099638912. Its totient is φ = 3102900965332.

The previous prime is 3103000302119. The next prime is 3103000302161. The reversal of 3103000302121 is 1212030003013.

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 3103000302121 - 21 = 3103000302119 is a prime.

It is a super-2 number, since 2×31030003021212 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3103000302095 and 3103000302104.

It is not an unprimeable number, because it can be changed into a prime (3103000302161) 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, 49621525 + ... + 49684018.

It is an arithmetic number, because the mean of its divisors is an integer number (775774909728).

Almost surely, 23103000302121 is an apocalyptic number.

It is an amenable number.

3103000302121 is a deficient number, since it is larger than the sum of its proper divisors (99336791).

3103000302121 is an equidigital number, since it uses as much as digits as its factorization.

3103000302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99336790.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 3103000302121 its reverse (1212030003013), we get a palindrome (4315030305134).

The spelling of 3103000302121 in words is "three trillion, one hundred three billion, three hundred two thousand, one hundred twenty-one".

Divisors: 1 31247 99305543 3103000302121