Base | Representation |
---|---|
bin | 111101011101000… |
… | …101010010101111 |
3 | 2122212001221210121 |
4 | 331131011102233 |
5 | 4102421042111 |
6 | 250150345411 |
7 | 34356434056 |
oct | 7535052257 |
9 | 2585057717 |
10 | 1031034031 |
11 | 489aa0145 |
12 | 24935b267 |
13 | 1357b4a11 |
14 | 9ad0939d |
15 | 607b1871 |
hex | 3d7454af |
1031034031 has 8 divisors (see below), whose sum is σ = 1087537280. Its totient is φ = 974754648.
The previous prime is 1031034007. The next prime is 1031034047. The reversal of 1031034031 is 1304301301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1031034031 - 213 = 1031025839 is a prime.
It is a super-2 number, since 2×10310340312 = 2126062346160217922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1031033996 and 1031034014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031034061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46461 + ... + 64966.
It is an arithmetic number, because the mean of its divisors is an integer number (135942160).
Almost surely, 21031034031 is an apocalyptic number.
1031034031 is a deficient number, since it is larger than the sum of its proper divisors (56503249).
1031034031 is a wasteful number, since it uses less digits than its factorization.
1031034031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111933.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1031034031 is about 32109.7186378205. The cubic root of 1031034031 is about 1010.2394723474.
Adding to 1031034031 its reverse (1304301301), we get a palindrome (2335335332).
The spelling of 1031034031 in words is "one billion, thirty-one million, thirty-four thousand, thirty-one".
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