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31032100331201 = 163190380983627
BaseRepresentation
bin1110000111001001110010…
…10100010001111011000001
311001212122021102112222002202
413003210321110101323001
513031412220141044301
6145555541115122545
76351665242430534
oct703447124217301
9131778242488082
1031032100331201
1199847046a4992
12359228b743455
131441411c756b8
14793d66b72a1b
1538c33974966b
hex1c3939511ec1

31032100331201 has 4 divisors (see below), whose sum is σ = 31222481314992. Its totient is φ = 30841719347412.

The previous prime is 31032100331173. The next prime is 31032100331237. The reversal of 31032100331201 is 10213300123013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31032100331201 - 222 = 31032096136897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31032100336201) 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, 95190491651 + ... + 95190491976.

It is an arithmetic number, because the mean of its divisors is an integer number (7805620328748).

Almost surely, 231032100331201 is an apocalyptic number.

It is an amenable number.

31032100331201 is a deficient number, since it is larger than the sum of its proper divisors (190380983791).

31032100331201 is a wasteful number, since it uses less digits than its factorization.

31032100331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190380983790.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31032100331201 its reverse (10213300123013), we get a palindrome (41245400454214).

The spelling of 31032100331201 in words is "thirty-one trillion, thirty-two billion, one hundred million, three hundred thirty-one thousand, two hundred one".

Divisors: 1 163 190380983627 31032100331201