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31441003041 = 371497190621
BaseRepresentation
bin11101010010000001…
…111010001000100001
310000011011210102221010
4131102001322020201
51003342344044131
622235505451133
72162065054620
oct352201721041
9100134712833
1031441003041
1112374698a38
126115640aa9
132c70a9bb16
1417439916b7
15c403bcb46
hex75207a221

31441003041 has 8 divisors (see below), whose sum is σ = 47910099904. Its totient is φ = 17966287440.

The previous prime is 31441003037. The next prime is 31441003079. The reversal of 31441003041 is 14030014413.

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

It is not a de Polignac number, because 31441003041 - 22 = 31441003037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1497190621 = 31441003041 / (3 + 1 + 4 + 4 + 1 + 0 + 0 + 3 + 0 + 4 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31441002999 and 31441003017.

It is not an unprimeable number, because it can be changed into a prime (31441003001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748595290 + ... + 748595331.

It is an arithmetic number, because the mean of its divisors is an integer number (5988762488).

Almost surely, 231441003041 is an apocalyptic number.

It is an amenable number.

31441003041 is a deficient number, since it is larger than the sum of its proper divisors (16469096863).

31441003041 is a wasteful number, since it uses less digits than its factorization.

31441003041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497190631.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31441003041 its reverse (14030014413), we get a palindrome (45471017454).

The spelling of 31441003041 in words is "thirty-one billion, four hundred forty-one million, three thousand, forty-one".

Divisors: 1 3 7 21 1497190621 4491571863 10480334347 31441003041