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31433012361241 = 31920198474041
BaseRepresentation
bin1110010010110100100011…
…00010010011100000011001
311010021222002200021021002221
413021122101202103200121
513104444302131024431
6150504043155224041
76422650230443341
oct711322142234031
9133258080237087
1031433012361241
11a019736025a17
123637b182a8021
13147017452cc8a
147a951a103d21
153979a1249111
hex1c9691893819

31433012361241 has 4 divisors (see below), whose sum is σ = 31433111154484. Its totient is φ = 31432913568000.

The previous prime is 31433012361143. The next prime is 31433012361319. The reversal of 31433012361241 is 14216321033413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3906568062016 + 27526444299225 = 1976504^2 + 5246565^2 .

It is a cyclic number.

It is not a de Polignac number, because 31433012361241 - 211 = 31433012359193 is a prime.

It is a super-2 number, since 2×314330123612412 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31433012361197 and 31433012361206.

It is not an unprimeable number, because it can be changed into a prime (31433012364241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48917820 + ... + 49556221.

It is an arithmetic number, because the mean of its divisors is an integer number (7858277788621).

Almost surely, 231433012361241 is an apocalyptic number.

It is an amenable number.

31433012361241 is a deficient number, since it is larger than the sum of its proper divisors (98793243).

31433012361241 is an equidigital number, since it uses as much as digits as its factorization.

31433012361241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98793242.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 31433012361241 its reverse (14216321033413), we get a palindrome (45649333394654).

The spelling of 31433012361241 in words is "thirty-one trillion, four hundred thirty-three billion, twelve million, three hundred sixty-one thousand, two hundred forty-one".

Divisors: 1 319201 98474041 31433012361241