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1031113 = 23127353
BaseRepresentation
bin11111011101111001001
31221101102101
43323233021
5230443423
634033401
711523106
oct3735711
91841371
101031113
11644766
12418861
132a1435
hexfbbc9

1031113 has 8 divisors (see below), whose sum is σ = 1087488. Its totient is φ = 975744.

The previous prime is 1031081. The next prime is 1031117. The reversal of 1031113 is 3111301.

Adding to 1031113 its reverse (3111301), we get a palindrome (4142414).

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 1031113 - 25 = 1031081 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1031113.

It is not an unprimeable number, because it can be changed into a prime (1031117) 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, 2745 + ... + 3097.

It is an arithmetic number, because the mean of its divisors is an integer number (135936).

21031113 is an apocalyptic number.

It is an amenable number.

1031113 is a deficient number, since it is larger than the sum of its proper divisors (56375).

1031113 is a wasteful number, since it uses less digits than its factorization.

1031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

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

The square root of 1031113 is about 1015.4373442020. The cubic root of 1031113 is about 101.0265263790.

The spelling of 1031113 in words is "one million, thirty-one thousand, one hundred thirteen".

Divisors: 1 23 127 353 2921 8119 44831 1031113