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30322231123 = 233130138331
BaseRepresentation
bin11100001111010110…
…001000011101010011
32220021012121221101011
4130033112020131103
5444044442343443
621532502351351
72122261466122
oct341726103523
986235557334
1030322231123
1111950122048
125a62a2b557
132b230779c2
141679167ab9
15bc7079b9d
hex70f588753

30322231123 has 4 divisors (see below), whose sum is σ = 30452369688. Its totient is φ = 30192092560.

The previous prime is 30322231111. The next prime is 30322231127. The reversal of 30322231123 is 32113222303.

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-30322231123 is a prime.

It is a super-2 number, since 2×303222311232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30322231094 and 30322231103.

It is not an unprimeable number, because it can be changed into a prime (30322231127) 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, 65068933 + ... + 65069398.

It is an arithmetic number, because the mean of its divisors is an integer number (7613092422).

Almost surely, 230322231123 is an apocalyptic number.

30322231123 is a deficient number, since it is larger than the sum of its proper divisors (130138565).

30322231123 is a wasteful number, since it uses less digits than its factorization.

30322231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130138564.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30322231123 its reverse (32113222303), we get a palindrome (62435453426).

The spelling of 30322231123 in words is "thirty billion, three hundred twenty-two million, two hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 233 130138331 30322231123