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31132020241011 = 3831987437314389
BaseRepresentation
bin1110001010000011111010…
…00000011111001001110011
311002020012012000111022021010
413011001331000133021303
513040031334140203021
6150113504101402003
76362133324566124
oct705017500371163
9132205160438233
1031132020241011
119a130198a8048
1235a9716709303
13144a976cc29a1
14798b2530604b
1538ec36913976
hex1c507d01f273

31132020241011 has 32 divisors (see below), whose sum is σ = 42043148340480. Its totient is φ = 20488193852544.

The previous prime is 31132020240943. The next prime is 31132020241081. The reversal of 31132020241011 is 11014202023113.

It is not a de Polignac number, because 31132020241011 - 221 = 31132018143859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31132020241081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2163591405 + ... + 2163605793.

It is an arithmetic number, because the mean of its divisors is an integer number (1313848385640).

Almost surely, 231132020241011 is an apocalyptic number.

31132020241011 is a deficient number, since it is larger than the sum of its proper divisors (10911128099469).

31132020241011 is a wasteful number, since it uses less digits than its factorization.

31132020241011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20835.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31132020241011 its reverse (11014202023113), we get a palindrome (42146222264124).

The spelling of 31132020241011 in words is "thirty-one trillion, one hundred thirty-two billion, twenty million, two hundred forty-one thousand, eleven".

Divisors: 1 3 83 249 1987 4373 5961 13119 14389 43167 164921 362959 494763 1088877 1194287 3582861 8689151 26067453 28590943 62923097 85772829 188769291 721199533 2163598599 2373048269 5222617051 7119144807 15667851153 125028193739 375084581217 10377340080337 31132020241011