Search a number
-
+
30220232011331 = 78877383131103
BaseRepresentation
bin1101101111100001100100…
…01100011010111001000011
310222000000200221002002221112
412313300302030122321003
512430112013343330311
6144134552151313535
76236224343531045
oct667606214327103
9128000627062845
1030220232011331
1196a136814887a
123480a7267b8ab
1313b29a921a95b
1476694a4a9a95
1537616e54828b
hex1b7c3231ae43

30220232011331 has 4 divisors (see below), whose sum is σ = 30220615221312. Its totient is φ = 30219848801352.

The previous prime is 30220232011327. The next prime is 30220232011349. The reversal of 30220232011331 is 13311023202203.

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

It is a cyclic number.

It is not a de Polignac number, because 30220232011331 - 22 = 30220232011327 is a prime.

It is a super-3 number, since 3×302202320113313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30220232011297 and 30220232011306.

It is not an unprimeable number, because it can be changed into a prime (30220232011381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191486675 + ... + 191644428.

It is an arithmetic number, because the mean of its divisors is an integer number (7555153805328).

Almost surely, 230220232011331 is an apocalyptic number.

30220232011331 is a deficient number, since it is larger than the sum of its proper divisors (383209981).

30220232011331 is an equidigital number, since it uses as much as digits as its factorization.

30220232011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383209980.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30220232011331 its reverse (13311023202203), we get a palindrome (43531255213534).

The spelling of 30220232011331 in words is "thirty trillion, two hundred twenty billion, two hundred thirty-two million, eleven thousand, three hundred thirty-one".

Divisors: 1 78877 383131103 30220232011331