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331131131202104 = 2341391391400263
BaseRepresentation
bin100101101001010010111100…
…1011100110000101000111000
31121102102211022212120001000022
41023102211321130300220320
5321400223024041431404
63132131312554430012
7126514302055562102
oct11322457134605070
91542384285501008
10331131131202104
1196565a18aa1472
123117b521a32308
131129c6bb16b27c
145baab91a36572
1528437321ad8be
hex12d2979730a38

331131131202104 has 8 divisors (see below), whose sum is σ = 620870871003960. Its totient is φ = 165565565601048.

The previous prime is 331131131202103. The next prime is 331131131202253. The reversal of 331131131202104 is 401202131131133.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331131131202103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20695695700124 + ... + 20695695700139.

It is an arithmetic number, because the mean of its divisors is an integer number (77608858875495).

Almost surely, 2331131131202104 is an apocalyptic number.

It is an amenable number.

331131131202104 is a deficient number, since it is larger than the sum of its proper divisors (289739739801856).

331131131202104 is a wasteful number, since it uses less digits than its factorization.

331131131202104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41391391400269 (or 41391391400265 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 331131131202104 its reverse (401202131131133), we get a palindrome (732333262333237).

The spelling of 331131131202104 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one hundred thirty-one million, two hundred two thousand, one hundred four".

Divisors: 1 2 4 8 41391391400263 82782782800526 165565565601052 331131131202104