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301212001031 = 2341128668091
BaseRepresentation
bin1000110001000011010…
…00100110001100000111
31001210110222112001121012
410120201220212030013
514413340233013111
6350212550312435
730522212523134
oct4304150461407
91053428461535
10301212001031
1110681a35a647
124a46335871b
1322533c65696
14108160b758b
157c7dcba48b
hex4621a26307

301212001031 has 4 divisors (see below), whose sum is σ = 301340671464. Its totient is φ = 301083330600.

The previous prime is 301212000997. The next prime is 301212001033. The reversal of 301212001031 is 130100212103.

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 301212001031 - 218 = 301211738887 is a prime.

It is a super-2 number, since 2×3012120010312 (a number of 24 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 = 301212000997 and 301212001015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301212001033) 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, 64331705 + ... + 64336386.

It is an arithmetic number, because the mean of its divisors is an integer number (75335167866).

Almost surely, 2301212001031 is an apocalyptic number.

301212001031 is a deficient number, since it is larger than the sum of its proper divisors (128670433).

301212001031 is a wasteful number, since it uses less digits than its factorization.

301212001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128670432.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 301212001031 its reverse (130100212103), we get a palindrome (431312213134).

The spelling of 301212001031 in words is "three hundred one billion, two hundred twelve million, one thousand, thirty-one".

Divisors: 1 2341 128668091 301212001031