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1225104103131 = 317186720176379
BaseRepresentation
bin10001110100111101111…
…001010001011011011011
311100010012121111200102220
4101310331321101123123
5130033003122300011
62334445520355123
7154340136026046
oct21647571213333
94303177450386
101225104103131
11432622367367
12179524a75aa3
138b6b05704bc
144341c64dc5d
1521d03ac3506
hex11d3de516db

1225104103131 has 32 divisors (see below), whose sum is σ = 1731614480640. Its totient is φ = 767779762176.

The previous prime is 1225104103129. The next prime is 1225104103207. The reversal of 1225104103131 is 1313014015221.

It is not a de Polignac number, because 1225104103131 - 21 = 1225104103129 is a prime.

It is a super-2 number, since 2×12251041031312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1225104103831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192049500 + ... + 192055878.

It is an arithmetic number, because the mean of its divisors is an integer number (54112952520).

Almost surely, 21225104103131 is an apocalyptic number.

1225104103131 is a deficient number, since it is larger than the sum of its proper divisors (506510377509).

1225104103131 is a wasteful number, since it uses less digits than its factorization.

1225104103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10283.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 1225104103131 its reverse (1313014015221), we get a palindrome (2538118118352).

The spelling of 1225104103131 in words is "one trillion, two hundred twenty-five billion, one hundred four million, one hundred three thousand, one hundred thirty-one".

Divisors: 1 3 17 51 1867 2017 5601 6051 6379 19137 31739 34289 95217 102867 108443 325329 3765739 11297217 11909593 12866443 35728779 38599329 64017563 192052689 202463081 218729531 607389243 656188593 24021649081 72064947243 408368034377 1225104103131