Base | Representation |
---|---|
bin | 100111111111101… |
… | …1111001110010111 |
3 | 10110112021211221110 |
4 | 1033333133032113 |
5 | 10222030334111 |
6 | 341100350103 |
7 | 45154114620 |
oct | 11777371627 |
9 | 3415254843 |
10 | 1342043031 |
11 | 62960387a |
12 | 315545333 |
13 | 185068704 |
14 | ca346a47 |
15 | 7cc475a6 |
hex | 4ffdf397 |
1342043031 has 64 divisors (see below), whose sum is σ = 2190901248. Its totient is φ = 714244608.
The previous prime is 1342042991. The next prime is 1342043033. The reversal of 1342043031 is 1303402431.
It is not a de Polignac number, because 1342043031 - 26 = 1342042967 is a prime.
It is a super-2 number, since 2×13420430312 = 3602158994111333922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 1342042989 and 1342043007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1342043033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3656610 + ... + 3656976.
It is an arithmetic number, because the mean of its divisors is an integer number (34232832).
Almost surely, 21342043031 is an apocalyptic number.
1342043031 is a deficient number, since it is larger than the sum of its proper divisors (848858217).
1342043031 is a wasteful number, since it uses less digits than its factorization.
1342043031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 580.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1342043031 is about 36633.9054838547. The cubic root of 1342043031 is about 1103.0337824844.
Adding to 1342043031 its reverse (1303402431), we get a palindrome (2645445462).
The spelling of 1342043031 in words is "one billion, three hundred forty-two million, forty-three thousand, thirty-one".
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