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31410434441 = 291083118429
BaseRepresentation
bin11101010000001101…
…010011000110001001
310000002001021101200202
4131100031103012021
51003312032400231
622232454341545
72161244200421
oct352015230611
9100061241622
1031410434441
111235940a331
12610735a8b5
132c676580a9
14173d8b5481
15c3c8805cb
hex750353189

31410434441 has 4 divisors (see below), whose sum is σ = 32493552900. Its totient is φ = 30327315984.

The previous prime is 31410434431. The next prime is 31410434443. The reversal of 31410434441 is 14443401413.

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 26186036041 + 5224398400 = 161821^2 + 72280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31410434441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1083118429 = 31410434441 / (3 + 1 + 4 + 1 + 0 + 4 + 3 + 4 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31410434443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541559186 + ... + 541559243.

It is an arithmetic number, because the mean of its divisors is an integer number (8123388225).

Almost surely, 231410434441 is an apocalyptic number.

It is an amenable number.

31410434441 is a deficient number, since it is larger than the sum of its proper divisors (1083118459).

31410434441 is a wasteful number, since it uses less digits than its factorization.

31410434441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083118458.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 31410434441 its reverse (14443401413), we get a palindrome (45853835854).

The spelling of 31410434441 in words is "thirty-one billion, four hundred ten million, four hundred thirty-four thousand, four hundred forty-one".

Divisors: 1 29 1083118429 31410434441