Search a number
-
+
21031301010301 = 31167624762091
BaseRepresentation
bin1001100100000101110110…
…01110011101001101111101
32202110120110112021000010121
410302002323032131031331
510224034101024312201
6112421351333534541
74300314146665501
oct462027316351575
982416415230117
1021031301010301
11677936315428a
1224380101a4451
13b9732134443a
14529cc5814301
152671145659a1
hex1320bb39d37d

21031301010301 has 4 divisors (see below), whose sum is σ = 21098925772704. Its totient is φ = 20963676247900.

The previous prime is 21031301010221. The next prime is 21031301010331. The reversal of 21031301010301 is 10301010313012.

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 21031301010301 - 243 = 12235207988093 is a prime.

It is a super-2 number, since 2×210313010103012 (a number of 27 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 (21031301010331) 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, 33812380735 + ... + 33812381356.

It is an arithmetic number, because the mean of its divisors is an integer number (5274731443176).

Almost surely, 221031301010301 is an apocalyptic number.

It is an amenable number.

21031301010301 is a deficient number, since it is larger than the sum of its proper divisors (67624762403).

21031301010301 is an equidigital number, since it uses as much as digits as its factorization.

21031301010301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67624762402.

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

Adding to 21031301010301 its reverse (10301010313012), we get a palindrome (31332311323313).

The spelling of 21031301010301 in words is "twenty-one trillion, thirty-one billion, three hundred one million, ten thousand, three hundred one".

Divisors: 1 311 67624762091 21031301010301