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313003001 = 3153190507
BaseRepresentation
bin10010101010000…
…000101111111001
3210210222012101202
4102222000233321
51120112044001
651020423545
710520324123
oct2252005771
9723865352
10313003001
11150755873
12889a7bb5
134cb0149c
142d7da213
151c72b96b
hex12a80bf9

313003001 has 8 divisors (see below), whose sum is σ = 329197824. Its totient is φ = 297189360.

The previous prime is 313002973. The next prime is 313003007. The reversal of 313003001 is 100300313.

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 313003001 - 214 = 312986617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313003007) 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, 93611 + ... + 96896.

It is an arithmetic number, because the mean of its divisors is an integer number (41149728).

Almost surely, 2313003001 is an apocalyptic number.

313003001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

313003001 is a deficient number, since it is larger than the sum of its proper divisors (16194823).

313003001 is a wasteful number, since it uses less digits than its factorization.

313003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190591.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 313003001 is about 17691.8908260254. The cubic root of 313003001 is about 678.9683035808.

Adding to 313003001 its reverse (100300313), we get a palindrome (413303314).

The spelling of 313003001 in words is "three hundred thirteen million, three thousand, one".

Divisors: 1 31 53 1643 190507 5905717 10096871 313003001