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1231041230131 = 43101283454117
BaseRepresentation
bin10001111010011111110…
…001100111010100110011
311100200112101020222120111
4101322133301213110303
5130132133023331011
62341311005522151
7154640230543156
oct21723761472463
94320471228514
101231041230131
11435099754799
1217a701273357
138c1185c46bb
1443822d73c9d
152204ee3c121
hex11e9fc67533

1231041230131 has 8 divisors (see below), whose sum is σ = 1272142081584. Its totient is φ = 1190507287200.

The previous prime is 1231041230117. The next prime is 1231041230143. The reversal of 1231041230131 is 1310321401321.

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 1231041230131 - 215 = 1231041197363 is a prime.

It is a super-2 number, since 2×12310412301312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231041230231) 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, 141722716 + ... + 141731401.

It is an arithmetic number, because the mean of its divisors is an integer number (159017760198).

Almost surely, 21231041230131 is an apocalyptic number.

1231041230131 is a deficient number, since it is larger than the sum of its proper divisors (41100851453).

1231041230131 is a wasteful number, since it uses less digits than its factorization.

1231041230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283454261.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1231041230131 its reverse (1310321401321), we get a palindrome (2541362631452).

The spelling of 1231041230131 in words is "one trillion, two hundred thirty-one billion, forty-one million, two hundred thirty thousand, one hundred thirty-one".

Divisors: 1 43 101 4343 283454117 12188527031 28628865817 1231041230131