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203102031120103 = 13713611089270079
BaseRepresentation
bin101110001011100001100000…
…011010110000011011100111
3222122010100211202110021020201
4232023201200122300123213
5203110110424431320403
61555543441322011331
760531431444634223
oct5613414032603347
9878110752407221
10203102031120103
11597950a6787785
121a94264b346b47
13894359335061b
143822295617783
15187323aecb21d
hexb8b8606b06e7

203102031120103 has 8 divisors (see below), whose sum is σ = 204734847156480. Its totient is φ = 201471393626880.

The previous prime is 203102031120047. The next prime is 203102031120133. The reversal of 203102031120103 is 301021130201302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203102031120103 is a prime.

It is a super-2 number, since 2×2031020311201032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203102031120133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544448583 + ... + 544821496.

It is an arithmetic number, because the mean of its divisors is an integer number (25591855894560).

Almost surely, 2203102031120103 is an apocalyptic number.

203102031120103 is a deficient number, since it is larger than the sum of its proper divisors (1632816036377).

203102031120103 is a wasteful number, since it uses less digits than its factorization.

203102031120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089271577.

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

Adding to 203102031120103 its reverse (301021130201302), we get a palindrome (504123161321405).

The spelling of 203102031120103 in words is "two hundred three trillion, one hundred two billion, thirty-one million, one hundred twenty thousand, one hundred three".

Divisors: 1 137 1361 186457 1089270079 149230000823 1482496577519 203102031120103