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30431211320441 = 232897467997609
BaseRepresentation
bin1101110101101010100011…
…00010100111010001111001
310222202012021102212111010002
412322311101202213101321
512442041110044223231
6144415523330202345
76260403533213441
oct672652142472171
9128665242774102
1030431211320441
1197728934a5458
1234b59331233b5
1313c986009b729
14772c427d3121
1537b8bb8210cb
hex1bad518a7479

30431211320441 has 16 divisors (see below), whose sum is σ = 31772382969600. Its totient is φ = 29091550591488.

The previous prime is 30431211320407. The next prime is 30431211320443. The reversal of 30431211320441 is 14402311213403.

It is a cyclic number.

It is not a de Polignac number, because 30431211320441 - 226 = 30431144211577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30431211320443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311717645 + ... + 311815253.

It is an arithmetic number, because the mean of its divisors is an integer number (1985773935600).

Almost surely, 230431211320441 is an apocalyptic number.

It is an amenable number.

30431211320441 is a deficient number, since it is larger than the sum of its proper divisors (1341171649159).

30431211320441 is a wasteful number, since it uses less digits than its factorization.

30431211320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105208.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 30431211320441 its reverse (14402311213403), we get a palindrome (44833522533844).

The spelling of 30431211320441 in words is "thirty trillion, four hundred thirty-one billion, two hundred eleven million, three hundred twenty thousand, four hundred forty-one".

Divisors: 1 23 2897 4679 66631 97609 107617 2245007 13555063 282773273 311766449 456712511 6503785279 10504387753 1323096144367 30431211320441