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2313031 = 7330433
BaseRepresentation
bin1000110100101101000111
311100111212211
420310231013
51043004111
6121324251
725442350
oct10645507
94314784
102313031
11133a8a6
12936687
1362ca76
14442d27
1530a521
hex234b47

2313031 has 4 divisors (see below), whose sum is σ = 2643472. Its totient is φ = 1982592.

The previous prime is 2313007. The next prime is 2313053. The reversal of 2313031 is 1303132.

2313031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2313031 - 213 = 2304839 is a prime.

It is a super-2 number, since 2×23130312 = 10700224813922, 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 (2313061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165210 + ... + 165223.

It is an arithmetic number, because the mean of its divisors is an integer number (660868).

22313031 is an apocalyptic number.

2313031 is a deficient number, since it is larger than the sum of its proper divisors (330441).

2313031 is an equidigital number, since it uses as much as digits as its factorization.

2313031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330440.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 2313031 is about 1520.8652142777. The cubic root of 2313031 is about 132.2494327111.

Adding to 2313031 its reverse (1303132), we get a palindrome (3616163).

The spelling of 2313031 in words is "two million, three hundred thirteen thousand, thirty-one".

Divisors: 1 7 330433 2313031