Search a number
-
+
10031221101301 = 99231010906087
BaseRepresentation
bin1001000111111001001101…
…0111101101001011110101
31022111222100001020112021121
42101332103113231023311
52303322420100220201
633200140201343541
72053506003335251
oct221762327551365
938458301215247
1010031221101301
113218242886584
12116014b797bb1
13579c2b4c256a
142697297db261
15125e05d749a1
hex91f935ed2f5

10031221101301 has 4 divisors (see below), whose sum is σ = 10032232017312. Its totient is φ = 10030210185292.

The previous prime is 10031221101299. The next prime is 10031221101311. The reversal of 10031221101301 is 10310112213001.

It is a happy number.

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 10031221101301 - 21 = 10031221101299 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 (10031221101311) 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, 505443121 + ... + 505462966.

It is an arithmetic number, because the mean of its divisors is an integer number (2508058004328).

Almost surely, 210031221101301 is an apocalyptic number.

It is an amenable number.

10031221101301 is a deficient number, since it is larger than the sum of its proper divisors (1010916011).

10031221101301 is an equidigital number, since it uses as much as digits as its factorization.

10031221101301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010916010.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10031221101301 its reverse (10310112213001), we get a palindrome (20341333314302).

The spelling of 10031221101301 in words is "ten trillion, thirty-one billion, two hundred twenty-one million, one hundred one thousand, three hundred one".

Divisors: 1 9923 1010906087 10031221101301