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1020312301 = 2414233661
BaseRepresentation
bin111100110100001…
…011101011101101
32122002220020100111
4330310023223231
54042144443201
6245124500021
734166340301
oct7464135355
92562806314
101020312301
11483a37808
1224584a611
131334cc7b8
1499717d01
155e894b51
hex3cd0baed

1020312301 has 4 divisors (see below), whose sum is σ = 1024546204. Its totient is φ = 1016078400.

The previous prime is 1020312283. The next prime is 1020312353. The reversal of 1020312301 is 1032130201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 278022276 + 742290025 = 16674^2 + 27245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020312301 - 27 = 1020312173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020312401) 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, 2116590 + ... + 2117071.

It is an arithmetic number, because the mean of its divisors is an integer number (256136551).

Almost surely, 21020312301 is an apocalyptic number.

It is an amenable number.

1020312301 is a deficient number, since it is larger than the sum of its proper divisors (4233903).

1020312301 is an equidigital number, since it uses as much as digits as its factorization.

1020312301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233902.

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

The square root of 1020312301 is about 31942.3277329627. The cubic root of 1020312301 is about 1006.7254341353.

Adding to 1020312301 its reverse (1032130201), we get a palindrome (2052442502).

The spelling of 1020312301 in words is "one billion, twenty million, three hundred twelve thousand, three hundred one".

Divisors: 1 241 4233661 1020312301