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31003001103 = 389116116109
BaseRepresentation
bin11100110111111011…
…000100000100001111
32222000122121122020010
4130313323010010033
51001443232013403
622124221524303
72145166106214
oct346773040417
988018548203
1031003001103
111216a427668
126012a13693
132c01113289
141701737b0b
15c16bee603
hex737ec410f

31003001103 has 8 divisors (see below), whose sum is σ = 41801799600. Its totient is φ = 20436435008.

The previous prime is 31003001093. The next prime is 31003001137. The reversal of 31003001103 is 30110030013.

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 31003001103 - 29 = 31003000591 is a prime.

It is a super-2 number, since 2×310030011032 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31003001173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58057788 + ... + 58058321.

It is an arithmetic number, because the mean of its divisors is an integer number (5225224950).

Almost surely, 231003001103 is an apocalyptic number.

31003001103 is a deficient number, since it is larger than the sum of its proper divisors (10798798497).

31003001103 is a wasteful number, since it uses less digits than its factorization.

31003001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116116201.

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 31003001103 its reverse (30110030013), we get a palindrome (61113031116).

The spelling of 31003001103 in words is "thirty-one billion, three million, one thousand, one hundred three".

Divisors: 1 3 89 267 116116109 348348327 10334333701 31003001103