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30302312331 = 314411700907
BaseRepresentation
bin11100001110001010…
…001001011110001011
32220012211010221221010
4130032022021132023
5444024342443311
621530511415003
72121630255624
oct341612113613
986184127833
1030302312331
111193a957835
125a58224463
132b1bbc2535
141676660a4b
15bc5442da6
hex70e28978b

30302312331 has 8 divisors (see below), whose sum is σ = 40405944384. Its totient is φ = 20200110920.

The previous prime is 30302312323. The next prime is 30302312353. The reversal of 30302312331 is 13321320303.

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

It is a cyclic number.

It is not a de Polignac number, because 30302312331 - 23 = 30302312323 is a prime.

It is a super-2 number, since 2×303023123312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30302312298 and 30302312307.

It is not an unprimeable number, because it can be changed into a prime (30302312731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307221 + ... + 393686.

It is an arithmetic number, because the mean of its divisors is an integer number (5050743048).

Almost surely, 230302312331 is an apocalyptic number.

30302312331 is a deficient number, since it is larger than the sum of its proper divisors (10103632053).

30302312331 is a wasteful number, since it uses less digits than its factorization.

30302312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715321.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30302312331 its reverse (13321320303), we get a palindrome (43623632634).

The spelling of 30302312331 in words is "thirty billion, three hundred two million, three hundred twelve thousand, three hundred thirty-one".

Divisors: 1 3 14411 43233 700907 2102721 10100770777 30302312331