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142034030431 = 371291382541
BaseRepresentation
bin1000010001000111100…
…0110100111101011111
3111120121121002022221121
42010101320310331133
54311341202433211
6145125522111411
713155510224116
oct2042170647537
9446547068847
10142034030431
1155266564327
122363aaab567
13105170c29b7
146c35824c7d
153a645a7271
hex2111e34f5f

142034030431 has 4 divisors (see below), whose sum is σ = 142034784264. Its totient is φ = 142033276600.

The previous prime is 142034030417. The next prime is 142034030449. The reversal of 142034030431 is 134030430241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 142034030431 - 213 = 142034022239 is a prime.

It is a super-2 number, since 2×1420340304312 (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 = 142034030396 and 142034030405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142034030461) 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, 180021 + ... + 562561.

It is an arithmetic number, because the mean of its divisors is an integer number (35508696066).

Almost surely, 2142034030431 is an apocalyptic number.

142034030431 is a deficient number, since it is larger than the sum of its proper divisors (753833).

142034030431 is an equidigital number, since it uses as much as digits as its factorization.

142034030431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753832.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 142034030431 its reverse (134030430241), we get a palindrome (276064460672).

The spelling of 142034030431 in words is "one hundred forty-two billion, thirty-four million, thirty thousand, four hundred thirty-one".

Divisors: 1 371291 382541 142034030431