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331001311111201 = 1139533073678009
BaseRepresentation
bin100101101000010110011111…
…1100100011010100000100001
31121101222102020111011010021101
41023100230333210122200201
5321341111141121024301
63131551523023354401
7126502025025164053
oct11320547744324041
91541872214133241
10331001311111201
119651595aa32745
123115a331452a01
131129039c638133
145ba47983dd8d3
152840185036701
hex12d0b3f91a821

331001311111201 has 8 divisors (see below), whose sum is σ = 334280925655560. Its totient is φ = 327727843924992.

The previous prime is 331001311111199. The next prime is 331001311111253. The reversal of 331001311111201 is 102111113100133.

It can be written as a sum of positive squares in 4 ways, for example, as 1021007181601 + 329980303929600 = 1010449^2 + 18165360^2 .

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 331001311111201 - 21 = 331001311111199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331001311111291) 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, 1536731316 + ... + 1536946693.

It is an arithmetic number, because the mean of its divisors is an integer number (41785115706945).

Almost surely, 2331001311111201 is an apocalyptic number.

It is an amenable number.

331001311111201 is a deficient number, since it is larger than the sum of its proper divisors (3279614544359).

331001311111201 is a wasteful number, since it uses less digits than its factorization.

331001311111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073679075.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 331001311111201 its reverse (102111113100133), we get a palindrome (433112424211334).

The spelling of 331001311111201 in words is "three hundred thirty-one trillion, one billion, three hundred eleven million, one hundred eleven thousand, two hundred one".

Divisors: 1 113 953 107689 3073678009 347325615017 2929215142577 331001311111201