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203031010201023 = 32179697371807189
BaseRepresentation
bin101110001010011111010111…
…001111011100110110111111
3222121212120112012001202200100
4232022133113033130312333
5203102430002102413043
61555451054121132143
760523335463036134
oct5612372717346677
9877776465052610
10203031010201023
1159767a71284034
121a93092a62a053
138939985553254
14381ca791aa58b
151871480e55cd3
hexb8a7d73dcdbf

203031010201023 has 24 divisors (see below), whose sum is σ = 294909769954800. Its totient is φ = 134595834609024.

The previous prime is 203031010200979. The next prime is 203031010201043. The reversal of 203031010201023 is 320102010130302.

It is not a de Polignac number, because 203031010201023 - 218 = 203031009938879 is a prime.

It is a super-2 number, since 2×2030310102010232 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203031010200987 and 203031010201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203031010201043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111442713 + ... + 113249901.

It is an arithmetic number, because the mean of its divisors is an integer number (12287907081450).

Almost surely, 2203031010201023 is an apocalyptic number.

203031010201023 is a deficient number, since it is larger than the sum of its proper divisors (91878759753777).

203031010201023 is a wasteful number, since it uses less digits than its factorization.

203031010201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877111 (or 1877108 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 203031010201023 its reverse (320102010130302), we get a palindrome (523133020331325).

The spelling of 203031010201023 in words is "two hundred three trillion, thirty-one billion, ten million, two hundred one thousand, twenty-three".

Divisors: 1 3 9 179 537 1611 69737 209211 627633 1807189 5421567 12482923 16264701 37448769 112346307 323486831 970460493 2911381479 126027939293 378083817879 1134251453637 22559001133447 67677003400341 203031010201023