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31441121346 = 235240186891
BaseRepresentation
bin11101010010000010…
…010111000001000010
310000011012000110012210
4131102002113001002
51003342411340341
622235512202550
72162066056545
oct352202270102
9100135013183
1031441121346
1112374769908
126115699456
132c70b1091b
1417439c285c
15c403e2c16
hex752097042

31441121346 has 8 divisors (see below), whose sum is σ = 62882242704. Its totient is φ = 10480373780.

The previous prime is 31441121333. The next prime is 31441121357. The reversal of 31441121346 is 64312114413.

It is a sphenic number, since it is the product of 3 distinct primes.

31441121346 is an admirable number.

It is a super-2 number, since 2×314411213462 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2620093440 + ... + 2620093451.

It is an arithmetic number, because the mean of its divisors is an integer number (7860280338).

Almost surely, 231441121346 is an apocalyptic number.

31441121346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31441121346 is a wasteful number, since it uses less digits than its factorization.

31441121346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240186896.

The product of its digits is 6912, while the sum is 30.

Adding to 31441121346 its reverse (64312114413), we get a palindrome (95753235759).

The spelling of 31441121346 in words is "thirty-one billion, four hundred forty-one million, one hundred twenty-one thousand, three hundred forty-six".

Divisors: 1 2 3 6 5240186891 10480373782 15720560673 31441121346