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1023301343231 = 1243378230063
BaseRepresentation
bin11101110010000011000…
…00110101011111111111
310121211022122000022021022
432321001200311133333
5113231210120440411
62102033111054355
7133634234621216
oct16710140653777
93554278008238
101023301343231
11364a85a26a52
121463a56713bb
137565c905cbb
1437756d7807d
151b94224cedb
hexee418357ff

1023301343231 has 4 divisors (see below), whose sum is σ = 1023309697632. Its totient is φ = 1023292988832.

The previous prime is 1023301343221. The next prime is 1023301343243. The reversal of 1023301343231 is 1323431033201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1023301343231 is a prime.

It is a super-2 number, since 2×10233013432312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023301343231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023301343201) 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, 3990695 + ... + 4239368.

It is an arithmetic number, because the mean of its divisors is an integer number (255827424408).

Almost surely, 21023301343231 is an apocalyptic number.

1023301343231 is a deficient number, since it is larger than the sum of its proper divisors (8354401).

1023301343231 is an equidigital number, since it uses as much as digits as its factorization.

1023301343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8354400.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1023301343231 its reverse (1323431033201), we get a palindrome (2346732376432).

The spelling of 1023301343231 in words is "one trillion, twenty-three billion, three hundred one million, three hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 124337 8230063 1023301343231