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530331021431 = 2361439861043
BaseRepresentation
bin1111011011110100011…
…00010011000001110111
31212200212200101020122122
413231322030103001313
532142104220141211
61043344122150155
753213045206301
oct7557214230167
91780780336578
10530331021431
11194a04043862
128694695235b
133b018c82833
141b94d5d8971
15dbdd8476db
hex7b7a313077

530331021431 has 16 divisors (see below), whose sum is σ = 563742727680. Its totient is φ = 497820042720.

The previous prime is 530331021403. The next prime is 530331021503. The reversal of 530331021431 is 134120133035.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530331021431 is a prime.

It is a super-2 number, since 2×5303310214312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530331021431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530331021631) 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, 185396 + ... + 1046438.

It is an arithmetic number, because the mean of its divisors is an integer number (35233920480).

Almost surely, 2530331021431 is an apocalyptic number.

530331021431 is a deficient number, since it is larger than the sum of its proper divisors (33411706249).

530331021431 is a wasteful number, since it uses less digits than its factorization.

530331021431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861566.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 530331021431 its reverse (134120133035), we get a palindrome (664451154466).

The spelling of 530331021431 in words is "five hundred thirty billion, three hundred thirty-one million, twenty-one thousand, four hundred thirty-one".

Divisors: 1 23 61 439 1403 10097 26779 615917 861043 19803989 52523623 377997877 1208043329 8693951171 23057870497 530331021431