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31013213442041 = 372513339422143
BaseRepresentation
bin1110000110100110100111…
…00100100000111111111001
311001210211112011112120212102
413003103103210200333321
513031110030120121131
6145543135031353145
76350426224503665
oct703232344407771
9131724464476772
1031013213442041
1199776a2525586
12358a69a5227b5
13143c6c208c23c
1479309463d8a5
1538bad15a41cb
hex1c34d3920ff9

31013213442041 has 8 divisors (see below), whose sum is σ = 31978306450944. Its totient is φ = 30054799278000.

The previous prime is 31013213442031. The next prime is 31013213442049. The reversal of 31013213442041 is 14024431231013.

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

It is a cyclic number.

It is not a de Polignac number, because 31013213442041 - 222 = 31013209247737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31013213441995 and 31013213442013.

It is not an unprimeable number, because it can be changed into a prime (31013213442049) 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, 1669701785 + ... + 1669720358.

It is an arithmetic number, because the mean of its divisors is an integer number (3997288306368).

Almost surely, 231013213442041 is an apocalyptic number.

It is an amenable number.

31013213442041 is a deficient number, since it is larger than the sum of its proper divisors (965093008903).

31013213442041 is a wasteful number, since it uses less digits than its factorization.

31013213442041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339422431.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31013213442041 its reverse (14024431231013), we get a palindrome (45037644673054).

The spelling of 31013213442041 in words is "thirty-one trillion, thirteen billion, two hundred thirteen million, four hundred forty-two thousand, forty-one".

Divisors: 1 37 251 9287 3339422143 123558619291 838194957893 31013213442041