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2031023103 = 31394870559
BaseRepresentation
bin111100100001110…
…1111001111111111
312020112201122220220
41321003233033333
513124420214403
6533311512423
7101221261104
oct17103571777
95215648826
102031023103
1195250679a
12488228713
13264a19c25
14153a52aab
15bd48e953
hex790ef3ff

2031023103 has 8 divisors (see below), whose sum is σ = 2727513600. Its totient is φ = 1344274008.

The previous prime is 2031023101. The next prime is 2031023153. The reversal of 2031023103 is 3013201302.

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

It is not a de Polignac number, because 2031023103 - 21 = 2031023101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031023101) 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, 2434863 + ... + 2435696.

It is an arithmetic number, because the mean of its divisors is an integer number (340939200).

Almost surely, 22031023103 is an apocalyptic number.

2031023103 is a deficient number, since it is larger than the sum of its proper divisors (696490497).

2031023103 is a wasteful number, since it uses less digits than its factorization.

2031023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870701.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2031023103 is about 45066.8736767928. The cubic root of 2031023103 is about 1266.4020975672.

Adding to 2031023103 its reverse (3013201302), we get a palindrome (5044224405).

The spelling of 2031023103 in words is "two billion, thirty-one million, twenty-three thousand, one hundred three".

Divisors: 1 3 139 417 4870559 14611677 677007701 2031023103