Base | Representation |
---|---|
bin | 10011000100000011011… |
… | …001110101111000011111 |
3 | 11122020101200202110200202 |
4 | 103010003121311320133 |
5 | 132430411131144411 |
6 | 2441452120414115 |
7 | 163434366250022 |
oct | 23040331657037 |
9 | 4566350673622 |
10 | 1310022131231 |
11 | 465639382780 |
12 | 191a8391733b |
13 | 966c45630c8 |
14 | 4759662d1b9 |
15 | 24123c0583b |
hex | 13103675e1f |
1310022131231 has 16 divisors (see below), whose sum is σ = 1498646892960. Its totient is φ = 1134111121920.
The previous prime is 1310022131219. The next prime is 1310022131261. The reversal of 1310022131231 is 1321312200131.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1310022131231 - 26 = 1310022131167 is a prime.
It is a super-2 number, since 2×13100221312312 (a number of 25 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 (1310022131261) 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, 28104470 + ... + 28151043.
It is an arithmetic number, because the mean of its divisors is an integer number (93665430810).
Almost surely, 21310022131231 is an apocalyptic number.
1310022131231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1310022131231 is a deficient number, since it is larger than the sum of its proper divisors (188624761729).
1310022131231 is a wasteful number, since it uses less digits than its factorization.
1310022131231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56255626.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 1310022131231 its reverse (1321312200131), we get a palindrome (2631334331362).
The spelling of 1310022131231 in words is "one trillion, three hundred ten billion, twenty-two million, one hundred thirty-one thousand, two hundred thirty-one".
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