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31413431541031 = 7110492111199799
BaseRepresentation
bin1110010010010000000100…
…11011011001110100100111
311010020002120001111112102121
413021020002123121310213
513104134201433303111
6150451044202250411
76421355055303061
oct711100233316447
9133202501445377
1031413431541031
11a0113a8181981
1236341727b6a07
13146b373950927
147a85bd776731
153972071ce871
hex1c92026d9d27

31413431541031 has 16 divisors (see below), whose sum is σ = 31901506560000. Its totient is φ = 30926652500800.

The previous prime is 31413431541007. The next prime is 31413431541109. The reversal of 31413431541031 is 13014513431413.

It is a cyclic number.

It is not a de Polignac number, because 31413431541031 - 225 = 31413397986599 is a prime.

It is a super-2 number, since 2×314134315410312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31413431541431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157125270 + ... + 157325068.

It is an arithmetic number, because the mean of its divisors is an integer number (1993844160000).

Almost surely, 231413431541031 is an apocalyptic number.

31413431541031 is a deficient number, since it is larger than the sum of its proper divisors (488075018969).

31413431541031 is a wasteful number, since it uses less digits than its factorization.

31413431541031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203030.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 31413431541031 its reverse (13014513431413), we get a palindrome (44427944972444).

The spelling of 31413431541031 in words is "thirty-one trillion, four hundred thirteen billion, four hundred thirty-one million, five hundred forty-one thousand, thirty-one".

Divisors: 1 71 1049 2111 74479 149881 199799 2214439 14185729 157225169 209589151 421775689 14880829721 29946073919 442442697761 31413431541031