Base | Representation |
---|---|
bin | 1110010010001111101100… |
… | …00000000010010011100111 |
3 | 11010020002000112011121002202 |
4 | 13021013312000002103213 |
5 | 13104133240044241411 |
6 | 150451011353325115 |
7 | 6421346644132034 |
oct | 711076600022347 |
9 | 133202015147082 |
10 | 31413223040231 |
11 | a01130051316a |
12 | 3634114a0679b |
13 | 146b33c6ab286 |
14 | 7a859dbc038b |
15 | 3971e3c4683b |
hex | 1c91f60024e7 |
31413223040231 has 8 divisors (see below), whose sum is σ = 32779128799584. Its totient is φ = 30047326735360.
The previous prime is 31413223040201. The next prime is 31413223040299. The reversal of 31413223040231 is 13204032231413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31413223040231 - 210 = 31413223039207 is a prime.
It is a super-2 number, since 2×314132230402312 (a number of 28 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 = 31413223040194 and 31413223040203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31413223040201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4901111 + ... + 9319191.
It is an arithmetic number, because the mean of its divisors is an integer number (4097391099948).
Almost surely, 231413223040231 is an apocalyptic number.
31413223040231 is a deficient number, since it is larger than the sum of its proper divisors (1365905759353).
31413223040231 is a wasteful number, since it uses less digits than its factorization.
31413223040231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4727241.
The product of its (nonzero) digits is 10368, while the sum is 29.
Adding to 31413223040231 its reverse (13204032231413), we get a palindrome (44617255271644).
The spelling of 31413223040231 in words is "thirty-one trillion, four hundred thirteen billion, two hundred twenty-three million, forty thousand, two hundred thirty-one".
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