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30131110211232 = 253313865731367
BaseRepresentation
bin1101101100111011100100…
…00111101110111010100000
310221200111122212200120121110
412312131302013232322200
512422132003203224412
6144030012502023320
76226620666656052
oct666356207567240
9127614585616543
1030131110211232
11966759421a328
12346773ba17b40
1313a747532b4b4
147624d40918d2
15373ba533dd3c
hex1b67721eeea0

30131110211232 has 24 divisors (see below), whose sum is σ = 79094164304736. Its totient is φ = 10043703403712.

The previous prime is 30131110211161. The next prime is 30131110211239. The reversal of 30131110211232 is 23211201113103.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×301311102112322 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30131110211199 and 30131110211208.

It is not an unprimeable number, because it can be changed into a prime (30131110211239) 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, 156932865588 + ... + 156932865779.

It is an arithmetic number, because the mean of its divisors is an integer number (3295590179364).

Almost surely, 230131110211232 is an apocalyptic number.

30131110211232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30131110211232 is an abundant number, since it is smaller than the sum of its proper divisors (48963054093504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30131110211232 is a wasteful number, since it uses less digits than its factorization.

30131110211232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313865731380 (or 313865731372 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 30131110211232 its reverse (23211201113103), we get a palindrome (53342311324335).

The spelling of 30131110211232 in words is "thirty trillion, one hundred thirty-one billion, one hundred ten million, two hundred eleven thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 313865731367 627731462734 941597194101 1255462925468 1883194388202 2510925850936 3766388776404 5021851701872 7532777552808 10043703403744 15065555105616 30131110211232