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30321331023313 = 112756484638483
BaseRepresentation
bin1101110010011101111000…
…01010100010110111010001
310222100200122200201001012201
412321032330022202313101
512433241041220221223
6144253232134123201
76246433564126111
oct671167412426721
9128320580631181
1030321331023313
119730227983940
1234985884b0501
1313bc39b623435
1476b7bb48d041
15378ad9ec0ead
hex1b93bc2a2dd1

30321331023313 has 4 divisors (see below), whose sum is σ = 33077815661808. Its totient is φ = 27564846384820.

The previous prime is 30321331023307. The next prime is 30321331023323. The reversal of 30321331023313 is 31332013312303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30321331023313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30321331023323) 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, 1378242319231 + ... + 1378242319252.

It is an arithmetic number, because the mean of its divisors is an integer number (8269453915452).

Almost surely, 230321331023313 is an apocalyptic number.

It is an amenable number.

30321331023313 is a deficient number, since it is larger than the sum of its proper divisors (2756484638495).

30321331023313 is a wasteful number, since it uses less digits than its factorization.

30321331023313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756484638494.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 30321331023313 its reverse (31332013312303), we get a palindrome (61653344335616).

The spelling of 30321331023313 in words is "thirty trillion, three hundred twenty-one billion, three hundred thirty-one million, twenty-three thousand, three hundred thirteen".

Divisors: 1 11 2756484638483 30321331023313