Base | Representation |
---|---|
bin | 1110000110100001000101… |
… | …00101000101100001101111 |
3 | 11001210112212020001112200102 |
4 | 13003100202211011201233 |
5 | 13031032434432240211 |
6 | 145541524234421315 |
7 | 6350262520043540 |
oct | 703204245054157 |
9 | 131715766045612 |
10 | 31010244024431 |
11 | 9976409353141 |
12 | 3589babb9183b |
13 | 143c33ab24ab9 |
14 | 792c921184c7 |
15 | 38b9aaa51a3b |
hex | 1c342294586f |
31010244024431 has 48 divisors (see below), whose sum is σ = 39589619258880. Its totient is φ = 23710328424000.
The previous prime is 31010244024413. The next prime is 31010244024449. The reversal of 31010244024431 is 13442044201013.
It is an interprime number because it is at equal distance from previous prime (31010244024413) and next prime (31010244024449).
It is not a de Polignac number, because 31010244024431 - 26 = 31010244024367 is a prime.
It is a super-2 number, since 2×310102440244312 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31010244024394 and 31010244024403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31010244024031) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1450406 + ... + 8007756.
It is an arithmetic number, because the mean of its divisors is an integer number (824783734560).
Almost surely, 231010244024431 is an apocalyptic number.
31010244024431 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
31010244024431 is a deficient number, since it is larger than the sum of its proper divisors (8579375234449).
31010244024431 is a wasteful number, since it uses less digits than its factorization.
31010244024431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6557476 (or 6557445 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 29.
Adding to 31010244024431 its reverse (13442044201013), we get a palindrome (44452288225444).
The spelling of 31010244024431 in words is "thirty-one trillion, ten billion, two hundred forty-four million, twenty-four thousand, four hundred thirty-one".
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