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1031112201295 = 51121617867257
BaseRepresentation
bin11110000000100110001…
…00111001010001001111
310122120110222112000012201
433000103010321101033
5113343204210420140
62105404132542331
7134331631046161
oct17002304712117
93576428460181
101031112201295
11368323a58250
12147a054819a7
1376305bc40c7
1437c98488931
151bc4cd3649a
hexf01313944f

1031112201295 has 16 divisors (see below), whose sum is σ = 1349883607968. Its totient is φ = 749864227840.

The previous prime is 1031112201293. The next prime is 1031112201319. The reversal of 1031112201295 is 5921022111301.

It is not a de Polignac number, because 1031112201295 - 21 = 1031112201293 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 (1031112201293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755307 + ... + 1622563.

It is an arithmetic number, because the mean of its divisors is an integer number (84367725498).

Almost surely, 21031112201295 is an apocalyptic number.

1031112201295 is a deficient number, since it is larger than the sum of its proper divisors (318771406673).

1031112201295 is a wasteful number, since it uses less digits than its factorization.

1031112201295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888890.

The product of its (nonzero) digits is 1080, while the sum is 28.

Adding to 1031112201295 its reverse (5921022111301), we get a palindrome (6952134312596).

The spelling of 1031112201295 in words is "one trillion, thirty-one billion, one hundred twelve million, two hundred one thousand, two hundred ninety-five".

Divisors: 1 5 11 55 21617 108085 237787 867257 1188935 4336285 9539827 47699135 18747494569 93737472845 206222440259 1031112201295