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1302310001 = 10631225127
BaseRepresentation
bin100110110011111…
…1010110001110001
310100202112012110202
41031213322301301
510131342410001
6333121004545
744162311106
oct11547726161
93322465422
101302310001
11609135863
12304183755
13179a66545
14c4d62aad
15794e996b
hex4d9fac71

1302310001 has 4 divisors (see below), whose sum is σ = 1303536192. Its totient is φ = 1301083812.

The previous prime is 1302309949. The next prime is 1302310013. The reversal of 1302310001 is 1000132031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1000132031 = 2234484897.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1302310001 is a prime.

It is a super-2 number, since 2×13023100012 = 3392022677409240002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302310501) 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, 611501 + ... + 613626.

It is an arithmetic number, because the mean of its divisors is an integer number (325884048).

Almost surely, 21302310001 is an apocalyptic number.

It is an amenable number.

1302310001 is a deficient number, since it is larger than the sum of its proper divisors (1226191).

1302310001 is a wasteful number, since it uses less digits than its factorization.

1302310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226190.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1302310001 is about 36087.5324869961. The cubic root of 1302310001 is about 1092.0389412265.

Adding to 1302310001 its reverse (1000132031), we get a palindrome (2302442032).

The spelling of 1302310001 in words is "one billion, three hundred two million, three hundred ten thousand, one".

Divisors: 1 1063 1225127 1302310001