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1023231100231 = 47118709183397
BaseRepresentation
bin11101110001111010101…
…00111000010101000111
310121211010201211120222201
432320331110320111013
5113231034130201411
62102022121335331
7133632422563144
oct16707524702507
93554121746881
101023231100231
11364a4a30a38a
12146386037547
137564b1b09b2
143774b8d13cb
151b93aec53c1
hexee3d538547

1023231100231 has 8 divisors (see below), whose sum is σ = 1045016475840. Its totient is φ = 1001446328928.

The previous prime is 1023231100217. The next prime is 1023231100273. The reversal of 1023231100231 is 1320011323201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023231100231 - 221 = 1023229003079 is a prime.

It is a super-2 number, since 2×10232311002312 (a number of 25 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 = 1023231100199 and 1023231100208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023231103231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5487625 + ... + 5671021.

It is an arithmetic number, because the mean of its divisors is an integer number (130627059480).

Almost surely, 21023231100231 is an apocalyptic number.

1023231100231 is a deficient number, since it is larger than the sum of its proper divisors (21785375609).

1023231100231 is a wasteful number, since it uses less digits than its factorization.

1023231100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302153.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1023231100231 its reverse (1320011323201), we get a palindrome (2343242423432).

The spelling of 1023231100231 in words is "one trillion, twenty-three billion, two hundred thirty-one million, one hundred thousand, two hundred thirty-one".

Divisors: 1 47 118709 183397 5579323 8619659 21770874473 1023231100231