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1322420102431 = 1577383840747
BaseRepresentation
bin10011001111100110011…
…000010110010100011111
311200102101201201122220021
4103033212120112110133
5133131304021234211
62451302244133011
7164353542255451
oct23174630262437
94612351648807
101322420102431
1146a920743a6a
12194363997167
139791bca893c
14480110442d1
15245ec388771
hex133e661651f

1322420102431 has 4 divisors (see below), whose sum is σ = 1322503958952. Its totient is φ = 1322336245912.

The previous prime is 1322420102429. The next prime is 1322420102467. The reversal of 1322420102431 is 1342010242231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1322420102431 - 21 = 1322420102429 is a prime.

It is a super-2 number, since 2×13224201024312 (a number of 25 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 = 1322420102396 and 1322420102405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322420102401) 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, 41904601 + ... + 41936146.

It is an arithmetic number, because the mean of its divisors is an integer number (330625989738).

Almost surely, 21322420102431 is an apocalyptic number.

1322420102431 is a deficient number, since it is larger than the sum of its proper divisors (83856521).

1322420102431 is an equidigital number, since it uses as much as digits as its factorization.

1322420102431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83856520.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1322420102431 its reverse (1342010242231), we get a palindrome (2664430344662).

The spelling of 1322420102431 in words is "one trillion, three hundred twenty-two billion, four hundred twenty million, one hundred two thousand, four hundred thirty-one".

Divisors: 1 15773 83840747 1322420102431