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31330221001109 = 142322439815881
BaseRepresentation
bin1110001111110101000101…
…01100011000100110010101
311002221010202222012010121122
413013322202230120212111
513101303243034013414
6150344523235453325
76412351040342552
oct707724254304625
9132833688163548
1031330221001109
119a8a087a83718
12362000b757245
131463572629a64
147a456846ba29
15394e86e2eb8e
hex1c7ea2b18995

31330221001109 has 8 divisors (see below), whose sum is σ = 31366219032192. Its totient is φ = 31294242609120.

The previous prime is 31330221001103. The next prime is 31330221001133. The reversal of 31330221001109 is 90110012203313.

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-31330221001109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31330221001103) 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, 1716152 + ... + 8099729.

It is an arithmetic number, because the mean of its divisors is an integer number (3920777379024).

Almost surely, 231330221001109 is an apocalyptic number.

It is an amenable number.

31330221001109 is a deficient number, since it is larger than the sum of its proper divisors (35998031083).

31330221001109 is a wasteful number, since it uses less digits than its factorization.

31330221001109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9819547.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 31330221001109 in words is "thirty-one trillion, three hundred thirty billion, two hundred twenty-one million, one thousand, one hundred nine".

Divisors: 1 1423 2243 3191789 9815881 13967998663 22017021083 31330221001109