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31324143133 = 2511087114809
BaseRepresentation
bin11101001011000100…
…000111111000011101
32222212000220100021101
4131023010013320131
51003122440040013
622220133033101
72156145552313
oct351304077035
988760810241
1031324143133
11123147313a8
1260a2485791
132c5280424a
1417322520b3
15c34ed78dd
hex74b107e1d

31324143133 has 8 divisors (see below), whose sum is σ = 31478146560. Its totient is φ = 31170372000.

The previous prime is 31324143121. The next prime is 31324143199. The reversal of 31324143133 is 33134142313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31324143133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31324143833) 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, 215433 + ... + 330241.

It is an arithmetic number, because the mean of its divisors is an integer number (3934768320).

Almost surely, 231324143133 is an apocalyptic number.

It is an amenable number.

31324143133 is a deficient number, since it is larger than the sum of its proper divisors (154003427).

31324143133 is a wasteful number, since it uses less digits than its factorization.

31324143133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116147.

The product of its digits is 7776, while the sum is 28.

Adding to 31324143133 its reverse (33134142313), we get a palindrome (64458285446).

The spelling of 31324143133 in words is "thirty-one billion, three hundred twenty-four million, one hundred forty-three thousand, one hundred thirty-three".

Divisors: 1 251 1087 114809 272837 28817059 124797383 31324143133