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31342717105 = 57895506203
BaseRepresentation
bin11101001100001010…
…111110100010110001
32222220022211222222021
4131030022332202301
51003142213421410
622222035111441
72156462461660
oct351412764261
988808758867
1031342717105
1112324168297
1260a8742581
132c5660856b
1417348c8dd7
15c36955eda
hex74c2be8b1

31342717105 has 8 divisors (see below), whose sum is σ = 42984297792. Its totient is φ = 21492148848.

The previous prime is 31342717103. The next prime is 31342717117. The reversal of 31342717105 is 50171724313.

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 31342717105 - 21 = 31342717103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31342717103) 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, 447753067 + ... + 447753136.

It is an arithmetic number, because the mean of its divisors is an integer number (5373037224).

Almost surely, 231342717105 is an apocalyptic number.

31342717105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31342717105 is a deficient number, since it is larger than the sum of its proper divisors (11641580687).

31342717105 is an equidigital number, since it uses as much as digits as its factorization.

31342717105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895506215.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 31342717105 in words is "thirty-one billion, three hundred forty-two million, seven hundred seventeen thousand, one hundred five".

Divisors: 1 5 7 35 895506203 4477531015 6268543421 31342717105