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31341200201 = 174631179471
BaseRepresentation
bin11101001100000101…
…001100001101001001
32222220012222221011122
4131030011030031021
51003141321401301
622221542405025
72156443543343
oct351405141511
988805887148
1031341200201
1112323321653
1260a8130775
132c561c6c9c
141734612293
15c3675681b
hex74c14c349

31341200201 has 4 divisors (see below), whose sum is σ = 31341554304. Its totient is φ = 31340846100.

The previous prime is 31341200183. The next prime is 31341200249. The reversal of 31341200201 is 10200214313.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10200214313 = 13907733459.

It is a cyclic number.

It is not a de Polignac number, because 31341200201 - 210 = 31341199177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31341200201.

It is not an unprimeable number, because it can be changed into a prime (31341200251) 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, 84896 + ... + 264366.

It is an arithmetic number, because the mean of its divisors is an integer number (7835388576).

Almost surely, 231341200201 is an apocalyptic number.

It is an amenable number.

31341200201 is a deficient number, since it is larger than the sum of its proper divisors (354103).

31341200201 is a wasteful number, since it uses less digits than its factorization.

31341200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354102.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31341200201 its reverse (10200214313), we get a palindrome (41541414514).

The spelling of 31341200201 in words is "thirty-one billion, three hundred forty-one million, two hundred thousand, two hundred one".

Divisors: 1 174631 179471 31341200201