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31321021311301 = 314332333384587
BaseRepresentation
bin1110001111100011111100…
…10110010110100101000101
311002220021000211100110200111
413013301332112112211011
513101130422423430201
6150340402322313021
76411604051305511
oct707617626264505
9132807024313614
1031321021311301
119a86196aa1597
12361a2827b8771
1314627376a0717
147a3d34715141
15394ae945ab51
hex1c7c7e596945

31321021311301 has 8 divisors (see below), whose sum is σ = 32406045158144. Its totient is φ = 30240664234560.

The previous prime is 31321021311227. The next prime is 31321021311311. The reversal of 31321021311301 is 10311312012313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31321021311301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321021311311) 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, 1166678871 + ... + 1166705716.

It is an arithmetic number, because the mean of its divisors is an integer number (4050755644768).

Almost surely, 231321021311301 is an apocalyptic number.

31321021311301 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31321021311301 is a deficient number, since it is larger than the sum of its proper divisors (1085023846843).

31321021311301 is a wasteful number, since it uses less digits than its factorization.

31321021311301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333385051.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31321021311301 its reverse (10311312012313), we get a palindrome (41632333323614).

The spelling of 31321021311301 in words is "thirty-one trillion, three hundred twenty-one billion, twenty-one million, three hundred eleven thousand, three hundred one".

Divisors: 1 31 433 13423 2333384587 72334922197 1010355526171 31321021311301