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30232230331 = 237118513307
BaseRepresentation
bin11100001001111110…
…110011100110111011
32220000221021102111111
4130021332303212323
5443403422332311
621515525341151
72120116501132
oct341176634673
986027242444
1030232230331
1111904340126
125a388677b7
132b0a5255b4
14166b21a919
15bbe1ecd21
hex709fb39bb

30232230331 has 8 divisors (see below), whose sum is σ = 31990996224. Its totient is φ = 28510491240.

The previous prime is 30232230319. The next prime is 30232230367. The reversal of 30232230331 is 13303223203.

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 30232230331 - 215 = 30232197563 is a prime.

It is a super-2 number, since 2×302322303312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30232233331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9255021 + ... + 9258286.

It is an arithmetic number, because the mean of its divisors is an integer number (3998874528).

Almost surely, 230232230331 is an apocalyptic number.

30232230331 is a deficient number, since it is larger than the sum of its proper divisors (1758765893).

30232230331 is a wasteful number, since it uses less digits than its factorization.

30232230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18513401.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30232230331 its reverse (13303223203), we get a palindrome (43535453534).

The spelling of 30232230331 in words is "thirty billion, two hundred thirty-two million, two hundred thirty thousand, three hundred thirty-one".

Divisors: 1 23 71 1633 18513307 425806061 1314444797 30232230331