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31314001 = 181117291
BaseRepresentation
bin111011101110…
…1000001010001
32011220220201211
41313131001101
531004022001
63035100121
7530110315
oct167350121
964826654
1031314001
1116748744
12a5a1641
1366450c4
144231b45
152b38351
hex1ddd051

31314001 has 4 divisors (see below), whose sum is σ = 31333104. Its totient is φ = 31294900.

The previous prime is 31313993. The next prime is 31314013. The reversal of 31314001 is 10041313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31314001 - 23 = 31313993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31314091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6835 + ... + 10456.

It is an arithmetic number, because the mean of its divisors is an integer number (7833276).

Almost surely, 231314001 is an apocalyptic number.

It is an amenable number.

31314001 is a deficient number, since it is larger than the sum of its proper divisors (19103).

31314001 is a wasteful number, since it uses less digits than its factorization.

31314001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19102.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 31314001 is about 5595.8914392615. The cubic root of 31314001 is about 315.1951457301.

Adding to 31314001 its reverse (10041313), we get a palindrome (41355314).

The spelling of 31314001 in words is "thirty-one million, three hundred fourteen thousand, one".

Divisors: 1 1811 17291 31314001