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2313430621 = 9412458481
BaseRepresentation
bin1000100111100100…
…0010011001011101
312222020010110012121
42021321002121131
514214214234441
61021320502541
7111220556455
oct21171023135
95866113177
102313430621
11a87964737
1254691aa51
132ab398378
1417d366d65
15d8175dd1
hex89e4265d

2313430621 has 4 divisors (see below), whose sum is σ = 2315890044. Its totient is φ = 2310971200.

The previous prime is 2313430589. The next prime is 2313430627. The reversal of 2313430621 is 1260343132.

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 824551225 + 1488879396 = 28715^2 + 38586^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313430621 - 25 = 2313430589 is a prime.

It is a super-2 number, since 2×23134306212 = 10703922476360891282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313430627) 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, 1228300 + ... + 1230181.

It is an arithmetic number, because the mean of its divisors is an integer number (578972511).

Almost surely, 22313430621 is an apocalyptic number.

It is an amenable number.

2313430621 is a deficient number, since it is larger than the sum of its proper divisors (2459423).

2313430621 is an equidigital number, since it uses as much as digits as its factorization.

2313430621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459422.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 2313430621 is about 48098.1353172865. The cubic root of 2313430621 is about 1322.5704849137.

Adding to 2313430621 its reverse (1260343132), we get a palindrome (3573773753).

The spelling of 2313430621 in words is "two billion, three hundred thirteen million, four hundred thirty thousand, six hundred twenty-one".

Divisors: 1 941 2458481 2313430621