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142431331203 = 337753604927
BaseRepresentation
bin1000010010100110010…
…0011010001110000011
3111121122021200022011000
42010221210122032003
54313144410044303
6145233153423043
713201403224320
oct2045144321603
9447567608130
10142431331203
115544a856277
122372bb6aa83
131057b4ca805
146c724c5b47
153a893d5da3
hex212991a383

142431331203 has 16 divisors (see below), whose sum is σ = 241153576960. Its totient is φ = 81389332008.

The previous prime is 142431331153. The next prime is 142431331223. The reversal of 142431331203 is 302133134241.

It is a happy number.

142431331203 is a `hidden beast` number, since 1 + 424 + 3 + 1 + 3 + 31 + 203 = 666.

It is not a de Polignac number, because 142431331203 - 213 = 142431323011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142431331223) 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, 376802275 + ... + 376802652.

It is an arithmetic number, because the mean of its divisors is an integer number (15072098560).

Almost surely, 2142431331203 is an apocalyptic number.

142431331203 is a deficient number, since it is larger than the sum of its proper divisors (98722245757).

142431331203 is an equidigital number, since it uses as much as digits as its factorization.

142431331203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753604943 (or 753604937 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 142431331203 its reverse (302133134241), we get a palindrome (444564465444).

The spelling of 142431331203 in words is "one hundred forty-two billion, four hundred thirty-one million, three hundred thirty-one thousand, two hundred three".

Divisors: 1 3 7 9 21 27 63 189 753604927 2260814781 5275234489 6782444343 15825703467 20347333029 47477110401 142431331203