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5313031 = 5639437
BaseRepresentation
bin10100010001001000000111
3100222221002221
4110101020013
52330004111
6305513211
763105613
oct24211007
910887087
105313031
112aa9839
121942807
131140409
149c4343
156ee371
hex511207

5313031 has 4 divisors (see below), whose sum is σ = 5323032. Its totient is φ = 5303032.

The previous prime is 5312999. The next prime is 5313041. The reversal of 5313031 is 1303135.

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 5313031 - 25 = 5312999 is a prime.

It is a super-2 number, since 2×53130312 = 56456596813922, which contains 22 as substring.

It is a Duffinian number.

5313031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5312996 and 5313014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5313041) 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, 4156 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (1330758).

Almost surely, 25313031 is an apocalyptic number.

5313031 is a deficient number, since it is larger than the sum of its proper divisors (10001).

5313031 is an equidigital number, since it uses as much as digits as its factorization.

5313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 5313031 is about 2305.0013015181. The cubic root of 5313031 is about 174.4941145187.

Adding to 5313031 its reverse (1303135), we get a palindrome (6616166).

The spelling of 5313031 in words is "five million, three hundred thirteen thousand, thirty-one".

Divisors: 1 563 9437 5313031