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30331312022 = 2111378696001
BaseRepresentation
bin11100001111111000…
…110001011110010110
32220021211201022000202
4130033320301132112
5444104303441042
621533425140502
72122431620054
oct341770613626
986254638022
1030331312022
1111955264720
125a65a8a732
132b24c0710b
14167a44d1d4
15bc7c70632
hex70fe31796

30331312022 has 8 divisors (see below), whose sum is σ = 49633056072. Its totient is φ = 13786960000.

The previous prime is 30331312009. The next prime is 30331312027. The reversal of 30331312022 is 22021313303.

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

It is a junction number, because it is equal to n+sod(n) for n = 30331311985 and 30331312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331312027) 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, 689347979 + ... + 689348022.

It is an arithmetic number, because the mean of its divisors is an integer number (6204132009).

Almost surely, 230331312022 is an apocalyptic number.

30331312022 is a deficient number, since it is larger than the sum of its proper divisors (19301744050).

30331312022 is a wasteful number, since it uses less digits than its factorization.

30331312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378696014.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30331312022 its reverse (22021313303), we get a palindrome (52352625325).

The spelling of 30331312022 in words is "thirty billion, three hundred thirty-one million, three hundred twelve thousand, twenty-two".

Divisors: 1 2 11 22 1378696001 2757392002 15165656011 30331312022