Base | Representation |
---|---|
bin | 11101000011110111… |
… | …100100110011111001 |
3 | 2222112121201121222220 |
4 | 131003313210303321 |
5 | 1002401033210431 |
6 | 22200141234253 |
7 | 2153151431160 |
oct | 350367446371 |
9 | 88477647886 |
10 | 31203413241 |
11 | 12262571230 |
12 | 6069b62989 |
13 | 2c337b3040 |
14 | 17201c63d7 |
15 | c295dab96 |
hex | 743de4cf9 |
31203413241 has 128 divisors (see below), whose sum is σ = 58171416576. Its totient is φ = 14355118080.
The previous prime is 31203413231. The next prime is 31203413251. The reversal of 31203413241 is 14231430213.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (31203413231) and next prime (31203413251).
It is not a de Polignac number, because 31203413241 - 29 = 31203412729 is a prime.
It is a super-2 number, since 2×312034132412 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31203413231) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8109180 + ... + 8113026.
It is an arithmetic number, because the mean of its divisors is an integer number (454464192).
Almost surely, 231203413241 is an apocalyptic number.
It is an amenable number.
31203413241 is a deficient number, since it is larger than the sum of its proper divisors (26968003335).
31203413241 is a wasteful number, since it uses less digits than its factorization.
31203413241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3991.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 31203413241 its reverse (14231430213), we get a palindrome (45434843454).
It can be divided in two parts, 31203 and 413241, that added together give a palindrome (444444).
The spelling of 31203413241 in words is "thirty-one billion, two hundred three million, four hundred thirteen thousand, two hundred forty-one".
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