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31332001313021 = 199695922624981
BaseRepresentation
bin1110001111111000011001…
…10011101111000011111101
311002221022101001011100102212
413013330030303233003331
513101320414314004041
6150345420034030205
76412443125630363
oct707741463570375
9132838331140385
1031332001313021
119a8a910a10382
123620427a18365
131463797415666
147a4696a9b633
1539503d3998eb
hex1c7f0ccef0fd

31332001313021 has 8 divisors (see below), whose sum is σ = 31493974944000. Its totient is φ = 31170072946320.

The previous prime is 31332001312999. The next prime is 31332001313027. The reversal of 31332001313021 is 12031310023313.

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 31332001313021 - 238 = 31057123406077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31332001313027) 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, 9927650 + ... + 12697331.

It is an arithmetic number, because the mean of its divisors is an integer number (3936746868000).

Almost surely, 231332001313021 is an apocalyptic number.

It is an amenable number.

31332001313021 is a deficient number, since it is larger than the sum of its proper divisors (161973630979).

31332001313021 is a wasteful number, since it uses less digits than its factorization.

31332001313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22632139.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31332001313021 its reverse (12031310023313), we get a palindrome (43363311336334).

The spelling of 31332001313021 in words is "thirty-one trillion, three hundred thirty-two billion, one million, three hundred thirteen thousand, twenty-one".

Divisors: 1 199 6959 1384841 22624981 4502371219 157447242779 31332001313021