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1031000331101 = 13538571472561
BaseRepresentation
bin11110000000011000110…
…10001001001101011101
310122120012012000102011012
433000030122021031131
5113342442041043401
62105345055105005
7134326102135046
oct17001432111535
93576165012135
101031000331101
11368276899544
12147993b12165
13762b8985720
1437c876878cd
151bc430d98bb
hexf00c68935d

1031000331101 has 8 divisors (see below), whose sum is σ = 1110329418744. Its totient is φ = 951674296320.

The previous prime is 1031000331089. The next prime is 1031000331103. The reversal of 1031000331101 is 1011330001301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9506055001 + 1021494276100 = 97499^2 + 1010690^2 .

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 1031000331101 - 210 = 1031000330077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031000331103) 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, 36140 + ... + 1436421.

It is an arithmetic number, because the mean of its divisors is an integer number (138791177343).

Almost surely, 21031000331101 is an apocalyptic number.

It is an amenable number.

1031000331101 is a deficient number, since it is larger than the sum of its proper divisors (79329087643).

1031000331101 is a wasteful number, since it uses less digits than its factorization.

1031000331101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526431.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 1031000331101 its reverse (1011330001301), we get a palindrome (2042330332402).

The spelling of 1031000331101 in words is "one trillion, thirty-one billion, three hundred thirty-one thousand, one hundred one".

Divisors: 1 13 53857 700141 1472561 19143293 79307717777 1031000331101