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1231130302203 = 3478731420583
BaseRepresentation
bin10001111010100101000…
…101011001011011111011
311100200202120212022111010
4101322211011121123323
5130132323324132303
62341323511005003
7154642361622414
oct21724505313373
94320676768433
101231130302203
11435134a6197a
1217a727069763
138c130bb0179
1443830b1c80b
1522057b83c03
hex11ea51596fb

1231130302203 has 8 divisors (see below), whose sum is σ = 1676432752128. Its totient is φ = 803290693544.

The previous prime is 1231130302183. The next prime is 1231130302277. The reversal of 1231130302203 is 3022030311321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1231130302203 - 26 = 1231130302139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1231130302203.

It is not an unprimeable number, because it can be changed into a prime (1231130302903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4365710151 + ... + 4365710432.

It is an arithmetic number, because the mean of its divisors is an integer number (209554094016).

Almost surely, 21231130302203 is an apocalyptic number.

1231130302203 is a deficient number, since it is larger than the sum of its proper divisors (445302449925).

1231130302203 is an equidigital number, since it uses as much as digits as its factorization.

1231130302203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731420633.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1231130302203 its reverse (3022030311321), we get a palindrome (4253160613524).

The spelling of 1231130302203 in words is "one trillion, two hundred thirty-one billion, one hundred thirty million, three hundred two thousand, two hundred three".

Divisors: 1 3 47 141 8731420583 26194261749 410376767401 1231130302203