Search a number
-
+
1210310001331 = 4389316255553
BaseRepresentation
bin10001100111001100000…
…110010000001010110011
311021201000120210102222121
4101213030012100022303
5124312203330020311
62324001515415111
7153304416160654
oct21471406201263
94251016712877
101210310001331
11427320496752
12176696454497
138a193595302
144281790552b
1521739dd0b71
hex119cc1902b3

1210310001331 has 8 divisors (see below), whose sum is σ = 1252371993840. Its totient is φ = 1168880520192.

The previous prime is 1210310001323. The next prime is 1210310001349. The reversal of 1210310001331 is 1331000130121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210310001331 - 23 = 1210310001323 is a prime.

It is a super-2 number, since 2×12103100013312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210310001431) 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 7 ways as a sum of consecutive naturals, for example, 158123950 + ... + 158131603.

It is an arithmetic number, because the mean of its divisors is an integer number (156546499230).

Almost surely, 21210310001331 is an apocalyptic number.

1210310001331 is a deficient number, since it is larger than the sum of its proper divisors (42061992509).

1210310001331 is an equidigital number, since it uses as much as digits as its factorization.

1210310001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316255685.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1210310001331 its reverse (1331000130121), we get a palindrome (2541310131452).

The spelling of 1210310001331 in words is "one trillion, two hundred ten billion, three hundred ten million, one thousand, three hundred thirty-one".

Divisors: 1 43 89 3827 316255553 13598988779 28146744217 1210310001331