Base | Representation |
---|---|
bin | 111101011010101… |
… | …010110000000111 |
3 | 2122210212210111011 |
4 | 331122222300013 |
5 | 4102240313111 |
6 | 250125023051 |
7 | 34351156432 |
oct | 7532526007 |
9 | 2583783434 |
10 | 1030401031 |
11 | 4896a8600 |
12 | 2490b4a87 |
13 | 13562286a |
14 | 9abc2819 |
15 | 606d9021 |
hex | 3d6aac07 |
1030401031 has 6 divisors (see below), whose sum is σ = 1132589696. Its totient is φ = 936728100.
The previous prime is 1030401017. The next prime is 1030401083. The reversal of 1030401031 is 1301040301.
It is not a de Polignac number, because 1030401031 - 217 = 1030269959 is a prime.
It is a super-2 number, since 2×10304010312 = 2123452569371725922, which 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 (1030401431) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4257735 + ... + 4257976.
Almost surely, 21030401031 is an apocalyptic number.
1030401031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1030401031 is a deficient number, since it is larger than the sum of its proper divisors (102188665).
1030401031 is an equidigital number, since it uses as much as digits as its factorization.
1030401031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8515733 (or 8515722 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 1030401031 is about 32099.8602956461. The cubic root of 1030401031 is about 1010.0326856069.
Adding to 1030401031 its reverse (1301040301), we get a palindrome (2331441332).
The spelling of 1030401031 in words is "one billion, thirty million, four hundred one thousand, thirty-one".
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