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331310113113 = 3725761387829
BaseRepresentation
bin1001101001000111001…
…11110010000101011001
31011200011120102120110010
410310203213302011121
520412010342104423
6412111325312133
732636113332060
oct4644347620531
91150146376403
10331310113113
11118564a15741
1254263105649
132531c75cb65
141206d5811d7
158941324693
hex4d239f2159

331310113113 has 16 divisors (see below), whose sum is σ = 506817924480. Its totient is φ = 188583407616.

The previous prime is 331310113073. The next prime is 331310113129. The reversal of 331310113113 is 311311013133.

It is not a de Polignac number, because 331310113113 - 214 = 331310096729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 331310113113.

It is not an unprimeable number, because it can be changed into a prime (331310113193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30688518 + ... + 30699311.

It is an arithmetic number, because the mean of its divisors is an integer number (31676120280).

Almost surely, 2331310113113 is an apocalyptic number.

It is an amenable number.

331310113113 is a deficient number, since it is larger than the sum of its proper divisors (175507811367).

331310113113 is a wasteful number, since it uses less digits than its factorization.

331310113113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61388096.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 331310113113 its reverse (311311013133), we get a palindrome (642621126246).

The spelling of 331310113113 in words is "three hundred thirty-one billion, three hundred ten million, one hundred thirteen thousand, one hundred thirteen".

Divisors: 1 3 7 21 257 771 1799 5397 61387829 184163487 429714803 1289144409 15776672053 47330016159 110436704371 331310113113