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1031301220135 = 51712132955531
BaseRepresentation
bin11110000000111100101…
…01111100011100100111
310122120222011012011022111
433000132111330130213
5113344101103021020
62105435004141451
7134336414506414
oct17003625743447
93576864164274
101031301220135
1136841071a96a
12147a58837887
1376336105084
1437cb560d10b
151bc5e721d5a
hexf01e57c727

1031301220135 has 8 divisors (see below), whose sum is σ = 1310359197456. Its totient is φ = 776509153920.

The previous prime is 1031301220129. The next prime is 1031301220139. The reversal of 1031301220135 is 5310221031301.

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

It is not a de Polignac number, because 1031301220135 - 23 = 1031301220127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031301220139) 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, 6066477681 + ... + 6066477850.

It is an arithmetic number, because the mean of its divisors is an integer number (163794899682).

Almost surely, 21031301220135 is an apocalyptic number.

1031301220135 is a deficient number, since it is larger than the sum of its proper divisors (279057977321).

1031301220135 is a wasteful number, since it uses less digits than its factorization.

1031301220135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12132955553.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 1031301220135 its reverse (5310221031301), we get a palindrome (6341522251436).

The spelling of 1031301220135 in words is "one trillion, thirty-one billion, three hundred one million, two hundred twenty thousand, one hundred thirty-five".

Divisors: 1 5 17 85 12132955531 60664777655 206260244027 1031301220135