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30044331311 = 103291692537
BaseRepresentation
bin11011111110110010…
…000001110100101111
32212112211201011111112
4123332302001310233
5443012322100221
621445134142235
72112345413441
oct337662016457
985484634445
1030044331311
1111818272885
1259a595197b
132aaa617247
1416502a8491
15bac98415b
hex6fec81d2f

30044331311 has 4 divisors (see below), whose sum is σ = 30336023952. Its totient is φ = 29752638672.

The previous prime is 30044331307. The next prime is 30044331379. The reversal of 30044331311 is 11313344003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30044331311 - 22 = 30044331307 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 (30044331011) 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, 145846166 + ... + 145846371.

It is an arithmetic number, because the mean of its divisors is an integer number (7584005988).

Almost surely, 230044331311 is an apocalyptic number.

30044331311 is a deficient number, since it is larger than the sum of its proper divisors (291692641).

30044331311 is a wasteful number, since it uses less digits than its factorization.

30044331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291692640.

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

Adding to 30044331311 its reverse (11313344003), we get a palindrome (41357675314).

The spelling of 30044331311 in words is "thirty billion, forty-four million, three hundred thirty-one thousand, three hundred eleven".

Divisors: 1 103 291692537 30044331311