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143142412331 = 601823289397
BaseRepresentation
bin1000010101001111110…
…0111110000000101011
3111200110211200222002002
42011103330332000223
54321123424143311
6145431514401215
713225126300202
oct2052374760053
9450424628062
10143142412331
1155785184026
12238aa13020b
1310662919889
146cdcb06239
153acba4693b
hex2153f3e02b

143142412331 has 8 divisors (see below), whose sum is σ = 143555299104. Its totient is φ = 142730107200.

The previous prime is 143142412321. The next prime is 143142412393. The reversal of 143142412331 is 133214241341.

143142412331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-143142412331 is a prime.

It is a super-2 number, since 2×1431424123312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143142412294 and 143142412303.

It is not an unprimeable number, because it can be changed into a prime (143142412321) 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, 349925 + ... + 639321.

It is an arithmetic number, because the mean of its divisors is an integer number (17944412388).

Almost surely, 2143142412331 is an apocalyptic number.

143142412331 is a deficient number, since it is larger than the sum of its proper divisors (412886773).

143142412331 is an equidigital number, since it uses as much as digits as its factorization.

143142412331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290821.

The product of its digits is 6912, while the sum is 29.

Adding to 143142412331 its reverse (133214241341), we get a palindrome (276356653672).

The spelling of 143142412331 in words is "one hundred forty-three billion, one hundred forty-two million, four hundred twelve thousand, three hundred thirty-one".

Divisors: 1 601 823 289397 494623 173927597 238173731 143142412331