Base | Representation |
---|---|
bin | 11101001001000110101… |
… | …00110001111101001111 |
3 | 10112201120201021220021012 |
4 | 32210203110301331033 |
5 | 112401200411430111 |
6 | 2044000003155435 |
7 | 132225433552046 |
oct | 16444324617517 |
9 | 3481521256235 |
10 | 1001320030031 |
11 | 356726064002 |
12 | 142090075b7b |
13 | 735688c77b9 |
14 | 3666d89d55d |
15 | 1b0a75b148b |
hex | e923531f4f |
1001320030031 has 4 divisors (see below), whose sum is σ = 1013994967200. Its totient is φ = 988645092864.
The previous prime is 1001320030021. The next prime is 1001320030043. The reversal of 1001320030031 is 1300300231001.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1001320030031 - 222 = 1001315835727 is a prime.
It is a super-2 number, since 2×10013200300312 (a number of 25 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 = 1001320029988 and 1001320030015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1001320030021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6337468466 + ... + 6337468623.
It is an arithmetic number, because the mean of its divisors is an integer number (253498741800).
Almost surely, 21001320030031 is an apocalyptic number.
1001320030031 is a deficient number, since it is larger than the sum of its proper divisors (12674937169).
1001320030031 is an equidigital number, since it uses as much as digits as its factorization.
1001320030031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12674937168.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 1001320030031 its reverse (1300300231001), we get a palindrome (2301620261032).
The spelling of 1001320030031 in words is "one trillion, one billion, three hundred twenty million, thirty thousand, thirty-one".
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