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11301031 = 75383367
BaseRepresentation
bin101011000111…
…000010100111
3210021011002201
4223013002213
510343113111
61042115331
7165025420
oct53070247
923234081
1011301031
1164196a5
12394bb47
132458b01
141702647
15ed36c1
hexac70a7

11301031 has 16 divisors (see below), whose sum is σ = 13353984. Its totient is φ = 9363744.

The previous prime is 11301013. The next prime is 11301041. The reversal of 11301031 is 13010311.

11301031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11301031 is a prime.

It is a super-2 number, since 2×113010312 = 255426603325922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11300999 and 11301017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30610 + ... + 30976.

It is an arithmetic number, because the mean of its divisors is an integer number (834624).

Almost surely, 211301031 is an apocalyptic number.

11301031 is a deficient number, since it is larger than the sum of its proper divisors (2052953).

11301031 is an equidigital number, since it uses as much as digits as its factorization.

11301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510.

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

The square root of 11301031 is about 3361.7006112978. The cubic root of 11301031 is about 224.4085271760.

Adding to 11301031 its reverse (13010311), we get a palindrome (24311342).

The spelling of 11301031 in words is "eleven million, three hundred one thousand, thirty-one".

Divisors: 1 7 53 83 367 371 581 2569 4399 19451 30461 30793 136157 213227 1614433 11301031