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1345110142431 = 31168359679229
BaseRepresentation
bin10011100100101110110…
…011111110110111011111
311202120222001001010022010
4103210232303332313133
5134014241144024211
62505533550322303
7166116040363536
oct23445663766737
94676861033263
101345110142431
11479504676940
121988367b9393
1399ac6a90703
14491646c931d
1524ec936d4a6
hex1392ecfeddf

1345110142431 has 16 divisors (see below), whose sum is σ = 1959388479360. Its totient is φ = 814024669920.

The previous prime is 1345110142423. The next prime is 1345110142447. The reversal of 1345110142431 is 1342410115431.

It is a happy number.

It is not a de Polignac number, because 1345110142431 - 23 = 1345110142423 is a prime.

It is a super-2 number, since 2×13451101424312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345110142231) 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, 29817076 + ... + 29862153.

It is an arithmetic number, because the mean of its divisors is an integer number (122461779960).

Almost surely, 21345110142431 is an apocalyptic number.

1345110142431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1345110142431 is a deficient number, since it is larger than the sum of its proper divisors (614278336929).

1345110142431 is a wasteful number, since it uses less digits than its factorization.

1345110142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59679926.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 1345110142431 its reverse (1342410115431), we get a palindrome (2687520257862).

The spelling of 1345110142431 in words is "one trillion, three hundred forty-five billion, one hundred ten million, one hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 3 11 33 683 2049 7513 22539 59679229 179037687 656471519 1969414557 40760913407 122282740221 448370047477 1345110142431