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1243410222031 = 5323460570227
BaseRepresentation
bin10010000110000001000…
…001100100101111001111
311101212110101200212122121
4102012001001210233033
5130333001004101111
62351114220153411
7155555602334065
oct22060101445717
94355411625577
101243410222031
1143a36672244a
12180b93698867
139033a031a13
14442779a4035
1522525c98871
hex12181064bcf

1243410222031 has 4 divisors (see below), whose sum is σ = 1266870792312. Its totient is φ = 1219949651752.

The previous prime is 1243410222029. The next prime is 1243410222071. The reversal of 1243410222031 is 1302220143421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1243410222031 - 21 = 1243410222029 is a prime.

It is a super-2 number, since 2×12434102220312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1243410221987 and 1243410222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243410222071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11730285061 + ... + 11730285166.

It is an arithmetic number, because the mean of its divisors is an integer number (316717698078).

Almost surely, 21243410222031 is an apocalyptic number.

1243410222031 is a deficient number, since it is larger than the sum of its proper divisors (23460570281).

1243410222031 is an equidigital number, since it uses as much as digits as its factorization.

1243410222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23460570280.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1243410222031 its reverse (1302220143421), we get a palindrome (2545630365452).

The spelling of 1243410222031 in words is "one trillion, two hundred forty-three billion, four hundred ten million, two hundred twenty-two thousand, thirty-one".

Divisors: 1 53 23460570227 1243410222031