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31320330121103 = 311657609736409
BaseRepresentation
bin1110001111100010101010…
…01001101010111110001111
311002220012020122202100222112
413013301111021222332033
513101123014002333403
6150340205551534235
76411550656265652
oct707612511527617
9132805218670875
1031320330121103
119a8597191a121
12361a10b22a37b
13146265742723a
147a3caa9d1899
15394aa89289d8
hex1c7c5526af8f

31320330121103 has 8 divisors (see below), whose sum is σ = 32350174968960. Its totient is φ = 30291704749440.

The previous prime is 31320330121097. The next prime is 31320330121133. The reversal of 31320330121103 is 30112103302313.

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 31320330121103 - 218 = 31320329858959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320330121133) 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, 304816838 + ... + 304919571.

It is an arithmetic number, because the mean of its divisors is an integer number (4043771871120).

Almost surely, 231320330121103 is an apocalyptic number.

31320330121103 is a deficient number, since it is larger than the sum of its proper divisors (1029844847857).

31320330121103 is a wasteful number, since it uses less digits than its factorization.

31320330121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609738097.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31320330121103 its reverse (30112103302313), we get a palindrome (61432433423416).

The spelling of 31320330121103 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirty million, one hundred twenty-one thousand, one hundred three".

Divisors: 1 31 1657 51367 609736409 18901828679 1010333229713 31320330121103