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1031201123230 = 25577178717699
BaseRepresentation
bin11110000000110000110…
…00000110101110011110
310122120201011211201011201
433000120120012232132
5113343344441420410
62105421030510114
7134334060631615
oct17003030065636
93576634751151
101031201123230
1136836a172653
12147a2b20533a
137631b459435
1437ca61d487c
151bc55a4d83a
hexf018606b9e

1031201123230 has 16 divisors (see below), whose sum is σ = 1859378950800. Its totient is φ = 411765576192.

The previous prime is 1031201123221. The next prime is 1031201123237. The reversal of 1031201123230 is 323211021301.

It is a junction number, because it is equal to n+sod(n) for n = 1031201123198 and 1031201123207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031201123237) 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, 89353080 + ... + 89364619.

It is an arithmetic number, because the mean of its divisors is an integer number (116211184425).

Almost surely, 21031201123230 is an apocalyptic number.

1031201123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031201123230 is a deficient number, since it is larger than the sum of its proper divisors (828177827570).

1031201123230 is a wasteful number, since it uses less digits than its factorization.

1031201123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178718283.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031201123230 its reverse (323211021301), we get a palindrome (1354412144531).

The spelling of 1031201123230 in words is "one trillion, thirty-one billion, two hundred one million, one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 577 1154 2885 5770 178717699 357435398 893588495 1787176990 103120112323 206240224646 515600561615 1031201123230