Search a number
-
+
311442043303001 = 13163146975952479
BaseRepresentation
bin100011011010000010100000…
…0010110111111010001011001
31111211201120100111001201102202
41012310011000112333101121
5311310131301041144001
63022214255521535545
7122412642111023012
oct10664050026772131
91454646314051382
10311442043303001
1190264913192636
122ab1b67a1a45b5
13104a1b21645b90
1456c9c37c6a009
1526014c79b196b
hex11b41405bf459

311442043303001 has 8 divisors (see below), whose sum is σ = 337456786894080. Its totient is φ = 285721251617232.

The previous prime is 311442043302977. The next prime is 311442043303051. The reversal of 311442043303001 is 100303340244113.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-311442043303001 is a prime.

It is a super-2 number, since 2×3114420433030012 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311442043303051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73487974121 + ... + 73487978358.

It is an arithmetic number, because the mean of its divisors is an integer number (42182098361760).

Almost surely, 2311442043303001 is an apocalyptic number.

It is an amenable number.

311442043303001 is a deficient number, since it is larger than the sum of its proper divisors (26014743591079).

311442043303001 is a wasteful number, since it uses less digits than its factorization.

311442043303001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146975952655.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 311442043303001 its reverse (100303340244113), we get a palindrome (411745383547114).

The spelling of 311442043303001 in words is "three hundred eleven trillion, four hundred forty-two billion, forty-three million, three hundred three thousand, one".

Divisors: 1 13 163 2119 146975952479 1910687382227 23957080254077 311442043303001