Base | Representation |
---|---|
bin | 1011100011110101… |
… | …1101101100000011 |
3 | 22000021001211120020 |
4 | 2320331131230003 |
5 | 22323344321011 |
6 | 1231530344523 |
7 | 136620041316 |
oct | 27075355403 |
9 | 8007054506 |
10 | 3103120131 |
11 | 13526a30a1 |
12 | 72728b143 |
13 | 3a5b7b277 |
14 | 2161aa97d |
15 | 132663006 |
hex | b8f5db03 |
3103120131 has 4 divisors (see below), whose sum is σ = 4137493512. Its totient is φ = 2068746752.
The previous prime is 3103120129. The next prime is 3103120133. The reversal of 3103120131 is 1310213013.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310213013 = 3 ⋅436737671.
It is an interprime number because it is at equal distance from previous prime (3103120129) and next prime (3103120133).
It is a cyclic number.
It is not a de Polignac number, because 3103120131 - 21 = 3103120129 is a prime.
It is a super-2 number, since 2×31031201312 = 19258709094834914322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 3103120131.
It is not an unprimeable number, because it can be changed into a prime (3103120133) 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, 517186686 + ... + 517186691.
It is an arithmetic number, because the mean of its divisors is an integer number (1034373378).
Almost surely, 23103120131 is an apocalyptic number.
3103120131 is a deficient number, since it is larger than the sum of its proper divisors (1034373381).
3103120131 is a wasteful number, since it uses less digits than its factorization.
3103120131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1034373380.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 3103120131 is about 55705.6561849872. The cubic root of 3103120131 is about 1458.5887612788.
Adding to 3103120131 its reverse (1310213013), we get a palindrome (4413333144).
The spelling of 3103120131 in words is "three billion, one hundred three million, one hundred twenty thousand, one hundred thirty-one".
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