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30312213211333 = 161931915867377
BaseRepresentation
bin1101110010001100111001…
…01100110110100011000101
310222022211010020221012112201
412321012130230312203011
512433113403040230313
6144245123303514501
76245661621035644
oct671063454664305
9128284106835481
1030312213211333
119727379135839
123496862a58a31
1313bb577634111
1476b19456b35b
153787547c20dd
hex1b919cb368c5

30312213211333 has 8 divisors (see below), whose sum is σ = 30340446333120. Its totient is φ = 30283991833920.

The previous prime is 30312213211289. The next prime is 30312213211393. The reversal of 30312213211333 is 33311231221303.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30312213211333 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 (30312213211393) 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 7 ways as a sum of consecutive naturals, for example, 2232541 + ... + 8099917.

It is an arithmetic number, because the mean of its divisors is an integer number (3792555791640).

Almost surely, 230312213211333 is an apocalyptic number.

It is an amenable number.

30312213211333 is a deficient number, since it is larger than the sum of its proper divisors (28233121787).

30312213211333 is a wasteful number, since it uses less digits than its factorization.

30312213211333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872187.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 30312213211333 its reverse (33311231221303), we get a palindrome (63623444432636).

The spelling of 30312213211333 in words is "thirty trillion, three hundred twelve billion, two hundred thirteen million, two hundred eleven thousand, three hundred thirty-three".

Divisors: 1 1619 3191 5166229 5867377 9499283363 18722800007 30312213211333