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31300032661306 = 217502978941349
BaseRepresentation
bin1110001110111100110110…
…10101000000011100111010
311002211020212002111120121021
413013132123111000130322
513100304431330130211
6150323011514533054
76410231662602223
oct707363325003472
9132736762446537
1031300032661306
119a782a64a1162
1236161a573718a
131460771230ab6
147a2d02dd824a
153942bba01771
hex1c779b54073a

31300032661306 has 8 divisors (see below), whose sum is σ = 46950081066900. Its totient is φ = 15650005639008.

The previous prime is 31300032661301. The next prime is 31300032661361. The reversal of 31300032661306 is 60316623000313.

It can be written as a sum of positive squares in 2 ways, for example, as 31291213761025 + 8818900281 = 5593855^2 + 93909^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31300032661301) 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, 970081 + ... + 7971268.

Almost surely, 231300032661306 is an apocalyptic number.

31300032661306 is a deficient number, since it is larger than the sum of its proper divisors (15650048405594).

31300032661306 is a wasteful number, since it uses less digits than its factorization.

31300032661306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10691648.

The product of its (nonzero) digits is 34992, while the sum is 34.

Adding to 31300032661306 its reverse (60316623000313), we get a palindrome (91616655661619).

The spelling of 31300032661306 in words is "thirty-one trillion, three hundred billion, thirty-two million, six hundred sixty-one thousand, three hundred six".

Divisors: 1 2 1750297 3500594 8941349 17882698 15650016330653 31300032661306