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31110221134001 = 7910920399177109
BaseRepresentation
bin1110001001011011010011…
…01011011111100010110001
311002011002220210121221011102
413010231221223133202301
513034202213102242001
6150055501023054145
76360432165334232
oct704555153374261
9132132823557142
1031110221134001
119a04852874329
1235a5452141355
1314488b197b5b9
14797a580db089
1538e3acc68e6b
hex1c4b69adf8b1

31110221134001 has 16 divisors (see below), whose sum is σ = 31794787200000. Its totient is φ = 30432955041216.

The previous prime is 31110221133989. The next prime is 31110221134033. The reversal of 31110221134001 is 10043112201113.

It is a cyclic number.

It is not a de Polignac number, because 31110221134001 - 230 = 31109147392177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31110221134501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175567235 + ... + 175744343.

It is an arithmetic number, because the mean of its divisors is an integer number (1987174200000).

Almost surely, 231110221134001 is an apocalyptic number.

It is an amenable number.

31110221134001 is a deficient number, since it is larger than the sum of its proper divisors (684566065999).

31110221134001 is a wasteful number, since it uses less digits than its factorization.

31110221134001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197696.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 31110221134001 its reverse (10043112201113), we get a palindrome (41153333335114).

The spelling of 31110221134001 in words is "thirty-one trillion, one hundred ten billion, two hundred twenty-one million, one hundred thirty-four thousand, one".

Divisors: 1 79 109 8611 20399 177109 1611521 2223491 13991611 19304881 175655789 1525085599 3612846491 285414872789 393800267519 31110221134001