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31442000030321 = 195473025305497
BaseRepresentation
bin1110010011000101010010…
…01111100010101001110001
311010022211022001011011021112
413021202221033202221301
513110121204001432241
6150512131100203105
76423416033406236
oct711425117425161
9133284261134245
1031442000030321
11a022528364801
123639806239495
131470c7758376a
147a9b2da2978d
15397d2a2dc1eb
hex1c98a93e2a71

31442000030321 has 8 divisors (see below), whose sum is σ = 33157348258080. Its totient is φ = 29732702414688.

The previous prime is 31442000030263. The next prime is 31442000030339. The reversal of 31442000030321 is 12303000024413.

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

It is a cyclic number.

It is not a de Polignac number, because 31442000030321 - 218 = 31441999768177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31442000030341) 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, 1512642356 + ... + 1512663141.

It is an arithmetic number, because the mean of its divisors is an integer number (4144668532260).

Almost surely, 231442000030321 is an apocalyptic number.

It is an amenable number.

31442000030321 is a deficient number, since it is larger than the sum of its proper divisors (1715348227759).

31442000030321 is a wasteful number, since it uses less digits than its factorization.

31442000030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025306063.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31442000030321 its reverse (12303000024413), we get a palindrome (43745000054734).

The spelling of 31442000030321 in words is "thirty-one trillion, four hundred forty-two billion, thirty thousand, three hundred twenty-one".

Divisors: 1 19 547 10393 3025305497 57480804443 1654842106859 31442000030321