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31542143341 = 592112533709
BaseRepresentation
bin11101011000000011…
…101110100101101101
310000102020002220100011
4131120003232211231
51004044242041331
622253521333221
72164433536402
oct353003564555
9100366086304
1031542143341
1112416799165
126143497211
132c88a21657
14175319c2a9
15c491ea3b1
hex7580ee96d

31542143341 has 8 divisors (see below), whose sum is σ = 32228791200. Its totient is φ = 30860563440.

The previous prime is 31542143299. The next prime is 31542143377. The reversal of 31542143341 is 14334124513.

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

It is a cyclic number.

It is not a de Polignac number, because 31542143341 - 29 = 31542142829 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 (31542143041) 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 7 ways as a sum of consecutive naturals, for example, 1254406 + ... + 1279303.

It is an arithmetic number, because the mean of its divisors is an integer number (4028598900).

Almost surely, 231542143341 is an apocalyptic number.

It is an amenable number.

31542143341 is a deficient number, since it is larger than the sum of its proper divisors (686647859).

31542143341 is a wasteful number, since it uses less digits than its factorization.

31542143341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533979.

The product of its digits is 17280, while the sum is 31.

Adding to 31542143341 its reverse (14334124513), we get a palindrome (45876267854).

The spelling of 31542143341 in words is "thirty-one billion, five hundred forty-two million, one hundred forty-three thousand, three hundred forty-one".

Divisors: 1 59 211 12449 2533709 149488831 534612599 31542143341