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303130120201031 = 337709389760667
BaseRepresentation
bin100010011101100011111101…
…1001000101010001101000111
31110202021221211021022221202002
41010323013323020222031013
5304212440441232413111
62552412015455135515
7120564266651260634
oct10473077310521507
91422257737287662
10303130120201031
118864a8422a4122
1229bb8793b1459b
131001b0809a3ac6
1454bd80cb6718b
15250a19b75b63b
hex113b1fb22a347

303130120201031 has 4 divisors (see below), whose sum is σ = 303130213338792. Its totient is φ = 303130027063272.

The previous prime is 303130120201009. The next prime is 303130120201057. The reversal of 303130120201031 is 130102021031303.

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

It is a cyclic number.

It is not a de Polignac number, because 303130120201031 - 26 = 303130120200967 is a prime.

It is a super-2 number, since 2×3031301202010312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303130120200994 and 303130120201012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303130120204031) 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, 41503241 + ... + 48257426.

It is an arithmetic number, because the mean of its divisors is an integer number (75782553334698).

Almost surely, 2303130120201031 is an apocalyptic number.

303130120201031 is a deficient number, since it is larger than the sum of its proper divisors (93137761).

303130120201031 is an equidigital number, since it uses as much as digits as its factorization.

303130120201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93137760.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 303130120201031 its reverse (130102021031303), we get a palindrome (433232141232334).

The spelling of 303130120201031 in words is "three hundred three trillion, one hundred thirty billion, one hundred twenty million, two hundred one thousand, thirty-one".

Divisors: 1 3377093 89760667 303130120201031