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1300223131321 = 4727664321943
BaseRepresentation
bin10010111010111011010…
…101100111111010111001
311121022002210012200212011
4102322323111213322321
5132300324110200241
62433151514045521
7162636512156122
oct22727325477271
94538083180764
101300223131321
11461470074044
1218bbaa1198a1
13957c23c01ca
1446d0706d049
1523c4d7ed281
hex12ebb567eb9

1300223131321 has 4 divisors (see below), whose sum is σ = 1327887453312. Its totient is φ = 1272558809332.

The previous prime is 1300223131301. The next prime is 1300223131351. The reversal of 1300223131321 is 1231313220031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1300223131321 - 223 = 1300214742713 is a prime.

It is a super-2 number, since 2×13002231313212 (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 = 1300223131292 and 1300223131301.

It is not an unprimeable number, because it can be changed into a prime (1300223131301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13832160925 + ... + 13832161018.

It is an arithmetic number, because the mean of its divisors is an integer number (331971863328).

Almost surely, 21300223131321 is an apocalyptic number.

It is an amenable number.

1300223131321 is a deficient number, since it is larger than the sum of its proper divisors (27664321991).

1300223131321 is an equidigital number, since it uses as much as digits as its factorization.

1300223131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27664321990.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1300223131321 its reverse (1231313220031), we get a palindrome (2531536351352).

The spelling of 1300223131321 in words is "one trillion, three hundred billion, two hundred twenty-three million, one hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 47 27664321943 1300223131321