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142133003331 = 31123187263509
BaseRepresentation
bin1000010001011111001…
…0011000010001000011
3111120212111022200020120
42010113302120101003
54312042022101311
6145143415311323
713161121410624
oct2042762302103
9446774280216
10142133003331
1155307414110
122366807b543
1310531766b47
146c44a29a4b
153a6d107706
hex2117c98443

142133003331 has 16 divisors (see below), whose sum is σ = 215727563520. Its totient is φ = 82395943520.

The previous prime is 142133003329. The next prime is 142133003347. The reversal of 142133003331 is 133300331241.

It is a happy number.

It is not a de Polignac number, because 142133003331 - 21 = 142133003329 is a prime.

It is a super-2 number, since 2×1421330033312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142133003431) 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, 93630996 + ... + 93632513.

It is an arithmetic number, because the mean of its divisors is an integer number (13482972720).

Almost surely, 2142133003331 is an apocalyptic number.

142133003331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142133003331 is a deficient number, since it is larger than the sum of its proper divisors (73594560189).

142133003331 is a wasteful number, since it uses less digits than its factorization.

142133003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187263546.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 142133003331 its reverse (133300331241), we get a palindrome (275433334572).

The spelling of 142133003331 in words is "one hundred forty-two billion, one hundred thirty-three million, three thousand, three hundred thirty-one".

Divisors: 1 3 11 23 33 69 253 759 187263509 561790527 2059898599 4307060707 6179695797 12921182121 47377667777 142133003331