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1210300131 = 3403433377
BaseRepresentation
bin100100000100011…
…1011011011100011
310010100101121122210
41020020323123203
54434314101011
6320032533203
741664244545
oct11010733343
93110347583
101210300131
11571201447
122993b1203
1316398c831
14b6a51695
15713c26a6
hex4823b6e3

1210300131 has 4 divisors (see below), whose sum is σ = 1613733512. Its totient is φ = 806866752.

The previous prime is 1210300129. The next prime is 1210300153. The reversal of 1210300131 is 1310030121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310030121 = 3436676707.

It is not a de Polignac number, because 1210300131 - 21 = 1210300129 is a prime.

It is a super-2 number, since 2×12103001312 = 2929652814197234322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210300111) 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, 201716686 + ... + 201716691.

It is an arithmetic number, because the mean of its divisors is an integer number (403433378).

Almost surely, 21210300131 is an apocalyptic number.

1210300131 is a deficient number, since it is larger than the sum of its proper divisors (403433381).

1210300131 is an equidigital number, since it uses as much as digits as its factorization.

1210300131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403433380.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1210300131 is about 34789.3680741689. The cubic root of 1210300131 is about 1065.6903342392.

Adding to 1210300131 its reverse (1310030121), we get a palindrome (2520330252).

The spelling of 1210300131 in words is "one billion, two hundred ten million, three hundred thousand, one hundred thirty-one".

Divisors: 1 3 403433377 1210300131