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1030320031213 = 1193665457383
BaseRepresentation
bin11101111111000111101…
…11000000010111101101
310122111102202220121011001
432333203313000113231
5113340043411444323
62105153354000301
7134303201523334
oct16774367002755
93574382817131
101030320031213
11367a57885130
12147824116091
137620aa53105
1437c2119ad1b
151bc035093ad
hexefe3dc05ed

1030320031213 has 4 divisors (see below), whose sum is σ = 1123985488608. Its totient is φ = 936654573820.

The previous prime is 1030320031187. The next prime is 1030320031253. The reversal of 1030320031213 is 3121300230301.

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 a de Polignac number, because none of the positive numbers 2k-1030320031213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030320031253) 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, 46832728681 + ... + 46832728702.

It is an arithmetic number, because the mean of its divisors is an integer number (280996372152).

Almost surely, 21030320031213 is an apocalyptic number.

It is an amenable number.

1030320031213 is a deficient number, since it is larger than the sum of its proper divisors (93665457395).

1030320031213 is an equidigital number, since it uses as much as digits as its factorization.

1030320031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93665457394.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1030320031213 its reverse (3121300230301), we get a palindrome (4151620261514).

The spelling of 1030320031213 in words is "one trillion, thirty billion, three hundred twenty million, thirty-one thousand, two hundred thirteen".

Divisors: 1 11 93665457383 1030320031213