Base | Representation |
---|---|
bin | 11100111000011011… |
… | …001100011101100111 |
3 | 2222001020110120102002 |
4 | 130320123030131213 |
5 | 1002002411032403 |
6 | 22125122235515 |
7 | 2145330520112 |
oct | 347033143547 |
9 | 88036416362 |
10 | 31011424103 |
11 | 1217415aa20 |
12 | 60157b5b9b |
13 | 2c02aa20ba |
14 | 17028cb579 |
15 | c17815188 |
hex | 7386cc767 |
31011424103 has 16 divisors (see below), whose sum is σ = 34198364160. Its totient is φ = 27886308000.
The previous prime is 31011424097. The next prime is 31011424109. The reversal of 31011424103 is 30142411013.
It is an interprime number because it is at equal distance from previous prime (31011424097) and next prime (31011424109).
It is a cyclic number.
It is not a de Polignac number, because 31011424103 - 220 = 31010375527 is a prime.
It is a super-2 number, since 2×310114241032 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31011424109) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1194818 + ... + 1220496.
It is an arithmetic number, because the mean of its divisors is an integer number (2137397760).
Almost surely, 231011424103 is an apocalyptic number.
31011424103 is a deficient number, since it is larger than the sum of its proper divisors (3186940057).
31011424103 is a wasteful number, since it uses less digits than its factorization.
31011424103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26878.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 31011424103 its reverse (30142411013), we get a palindrome (61153835116).
The spelling of 31011424103 in words is "thirty-one billion, eleven million, four hundred twenty-four thousand, one hundred three".
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