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30214331123 = 294722167521
BaseRepresentation
bin11100001000111010…
…100001101011110011
32212222200121001101212
4130020322201223303
5443334332043443
621514045550335
72116511401634
oct341072415363
985880531355
1030214331123
11118a5225199
125a328753ab
132b068c9452
141668abb88b
15bbc864618
hex708ea1af3

30214331123 has 8 divisors (see below), whose sum is σ = 31921231680. Its totient is φ = 28551765760.

The previous prime is 30214331099. The next prime is 30214331141. The reversal of 30214331123 is 32113341203.

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

It is a cyclic number.

It is not a de Polignac number, because 30214331123 - 212 = 30214327027 is a prime.

It is a super-2 number, since 2×302143311232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30214339123) 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, 11082398 + ... + 11085123.

It is an arithmetic number, because the mean of its divisors is an integer number (3990153960).

Almost surely, 230214331123 is an apocalyptic number.

30214331123 is a deficient number, since it is larger than the sum of its proper divisors (1706900557).

30214331123 is a wasteful number, since it uses less digits than its factorization.

30214331123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22167597.

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

Adding to 30214331123 its reverse (32113341203), we get a palindrome (62327672326).

The spelling of 30214331123 in words is "thirty billion, two hundred fourteen million, three hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 29 47 1363 22167521 642858109 1041873487 30214331123