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30213220100311 = 50360066043937
BaseRepresentation
bin1101101111010100100000…
…10000000110100011010111
310221222100121020221010022101
412313222100100012203113
512430003133321202221
6144131432305542531
76235555521342553
oct667522020064327
9127870536833271
1030213220100311
11969939a0a9296
12347b636344a47
1313b212c604391
1476648312c863
15375dadb79d91
hex1b7a904068d7

30213220100311 has 4 divisors (see below), whose sum is σ = 30273286144752. Its totient is φ = 30153154055872.

The previous prime is 30213220100207. The next prime is 30213220100333. The reversal of 30213220100311 is 11300102231203.

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-30213220100311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213220100351) 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, 30033021466 + ... + 30033022471.

It is an arithmetic number, because the mean of its divisors is an integer number (7568321536188).

Almost surely, 230213220100311 is an apocalyptic number.

30213220100311 is a deficient number, since it is larger than the sum of its proper divisors (60066044441).

30213220100311 is an equidigital number, since it uses as much as digits as its factorization.

30213220100311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60066044440.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30213220100311 its reverse (11300102231203), we get a palindrome (41513322331514).

The spelling of 30213220100311 in words is "thirty trillion, two hundred thirteen billion, two hundred twenty million, one hundred thousand, three hundred eleven".

Divisors: 1 503 60066043937 30213220100311