Search a number
-
+
1003212023231 = 1191201093021
BaseRepresentation
bin11101001100101000001…
…10001010010110111111
310112220110120102010000102
432212110012022112333
5112414034234220411
62044511431151315
7132323346333155
oct16462406122677
93486416363012
101003212023231
11357507040550
1214251981553b
13737aa886ac2
14367acc813d5
151b16873bd3b
hexe99418a5bf

1003212023231 has 4 divisors (see below), whose sum is σ = 1094413116264. Its totient is φ = 912010930200.

The previous prime is 1003212023221. The next prime is 1003212023237. The reversal of 1003212023231 is 1323202123001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1003212023231 is a prime.

It is a super-2 number, since 2×10032120232312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003212023237) 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, 45600546500 + ... + 45600546521.

It is an arithmetic number, because the mean of its divisors is an integer number (273603279066).

Almost surely, 21003212023231 is an apocalyptic number.

1003212023231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1003212023231 is a deficient number, since it is larger than the sum of its proper divisors (91201093033).

1003212023231 is an equidigital number, since it uses as much as digits as its factorization.

1003212023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91201093032.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1003212023231 its reverse (1323202123001), we get a palindrome (2326414146232).

The spelling of 1003212023231 in words is "one trillion, three billion, two hundred twelve million, twenty-three thousand, two hundred thirty-one".

Divisors: 1 11 91201093021 1003212023231