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1030311112321 = 2095794916099
BaseRepresentation
bin11101111111000110101…
…00111110111010000001
310122111102011010110201201
432333203110332322001
5113340034121043241
62105152434501201
7134303032645621
oct16774324767201
93574364113651
101030311112321
11367a52843247
12147821134801
1376208c4c66a
1437c1dd18881
151bc02846931
hexefe353ee81

1030311112321 has 4 divisors (see below), whose sum is σ = 1030316238000. Its totient is φ = 1030305986644.

The previous prime is 1030311112319. The next prime is 1030311112333. The reversal of 1030311112321 is 1232111130301.

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 1030311112321 - 21 = 1030311112319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030311112301) 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, 2248471 + ... + 2667628.

It is an arithmetic number, because the mean of its divisors is an integer number (257579059500).

Almost surely, 21030311112321 is an apocalyptic number.

It is an amenable number.

1030311112321 is a deficient number, since it is larger than the sum of its proper divisors (5125679).

1030311112321 is an equidigital number, since it uses as much as digits as its factorization.

1030311112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125678.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1030311112321 its reverse (1232111130301), we get a palindrome (2262422242622).

The spelling of 1030311112321 in words is "one trillion, thirty billion, three hundred eleven million, one hundred twelve thousand, three hundred twenty-one".

Divisors: 1 209579 4916099 1030311112321