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30013232232331 = 192891555976579
BaseRepresentation
bin1101101001100000000000…
…00010111011011110001011
310221021020101202110210211001
412310300000002323132023
512413214044422413311
6143455515531515431
76215245605455065
oct664600002733613
9127236352423731
1030013232232331
1196215a4174057
1234489228b8b77
13139930a97231a
1475a9108c8735
15370aa68004c1
hex1b4c000bb78b

30013232232331 has 4 divisors (see below), whose sum is σ = 30014788228200. Its totient is φ = 30011676236464.

The previous prime is 30013232232283. The next prime is 30013232232341. The reversal of 30013232232331 is 13323223231003.

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 30013232232331 - 231 = 30011084748683 is a prime.

It is a super-2 number, since 2×300132322323312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30013232232331.

It is not an unprimeable number, because it can be changed into a prime (30013232232341) 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, 777969001 + ... + 778007578.

It is an arithmetic number, because the mean of its divisors is an integer number (7503697057050).

Almost surely, 230013232232331 is an apocalyptic number.

30013232232331 is a deficient number, since it is larger than the sum of its proper divisors (1555995869).

30013232232331 is a wasteful number, since it uses less digits than its factorization.

30013232232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555995868.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 30013232232331 its reverse (13323223231003), we get a palindrome (43336455463334).

The spelling of 30013232232331 in words is "thirty trillion, thirteen billion, two hundred thirty-two million, two hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 19289 1555976579 30013232232331