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10113031 = 23439697
BaseRepresentation
bin100110100101…
…000000000111
3201000210110201
4212211000013
510042104111
61000431331
7151650025
oct46450007
921023421
1010113031
115788085
123478547
132131156
1414b3715
15d4b6c1
hex9a5007

10113031 has 4 divisors (see below), whose sum is σ = 10552752. Its totient is φ = 9673312.

The previous prime is 10113023. The next prime is 10113049. The reversal of 10113031 is 13031101.

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 10113031 - 23 = 10113023 is a prime.

It is a super-2 number, since 2×101130312 = 204546792013922, 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 = 10112999 and 10113017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113001) 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, 219826 + ... + 219871.

It is an arithmetic number, because the mean of its divisors is an integer number (2638188).

Almost surely, 210113031 is an apocalyptic number.

10113031 is a deficient number, since it is larger than the sum of its proper divisors (439721).

10113031 is an equidigital number, since it uses as much as digits as its factorization.

10113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439720.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 10113031 is about 3180.0992122888. The cubic root of 10113031 is about 216.2521560813.

Adding to 10113031 its reverse (13031101), we get a palindrome (23144132).

It can be divided in two parts, 101 and 13031, that multiplied together give a palindrome (1316131).

The spelling of 10113031 in words is "ten million, one hundred thirteen thousand, thirty-one".

Divisors: 1 23 439697 10113031