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31323303112103 = 191852189012197
BaseRepresentation
bin1110001111101000001100…
…10110101110110110100111
311002220110220211221221221022
413013310012112232312213
513101200111044041403
6150341420553241355
76412014436301132
oct707640626566647
9132813824857838
1031323303112103
119a87158012282
12361a7baa0325b
131462a0c343002
147a40ad7a7219
15394bce934d38
hex1c7d065aeda7

31323303112103 has 8 divisors (see below), whose sum is σ = 32973678627120. Its totient is φ = 29673105658560.

The previous prime is 31323303112091. The next prime is 31323303112111. The reversal of 31323303112103 is 30121130332313.

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 31323303112103 - 26 = 31323303112039 is a prime.

It is a super-2 number, since 2×313233031121032 (a number of 28 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 (31323303112133) 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, 44154200 + ... + 44857997.

It is an arithmetic number, because the mean of its divisors is an integer number (4121709828390).

Almost surely, 231323303112103 is an apocalyptic number.

31323303112103 is a deficient number, since it is larger than the sum of its proper divisors (1650375515017).

31323303112103 is a wasteful number, since it uses less digits than its factorization.

31323303112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89030737.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31323303112103 its reverse (30121130332313), we get a palindrome (61444433444416).

The spelling of 31323303112103 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred three million, one hundred twelve thousand, one hundred three".

Divisors: 1 19 18521 351899 89012197 1691231743 1648594900637 31323303112103