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142313431103 = 392333627391
BaseRepresentation
bin1000010010001010001…
…0101010000000111111
3111121100001211100121122
42010202202222000333
54312424214243403
6145213342421155
713165442130254
oct2044242520077
9447301740548
10142313431103
115539a249178
12236b85917bb
131055cc5a63c
146c6099542b
153a7dd97838
hex21228aa03f

142313431103 has 4 divisors (see below), whose sum is σ = 142317097728. Its totient is φ = 142309764480.

The previous prime is 142313431061. The next prime is 142313431129. The reversal of 142313431103 is 301134313241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301134313241 = 429617009481.

It is a cyclic number.

It is not a de Polignac number, because 142313431103 - 212 = 142313427007 is a prime.

It is a super-2 number, since 2×1423134311032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142313431903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774463 + ... + 1852928.

It is an arithmetic number, because the mean of its divisors is an integer number (35579274432).

Almost surely, 2142313431103 is an apocalyptic number.

142313431103 is a deficient number, since it is larger than the sum of its proper divisors (3666625).

142313431103 is an equidigital number, since it uses as much as digits as its factorization.

142313431103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666624.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 142313431103 its reverse (301134313241), we get a palindrome (443447744344).

The spelling of 142313431103 in words is "one hundred forty-two billion, three hundred thirteen million, four hundred thirty-one thousand, one hundred three".

Divisors: 1 39233 3627391 142313431103