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10021303312231 = 35171284930861
BaseRepresentation
bin1001000111010100010000…
…1110010101111101100111
31022111000201212011122100111
42101311010032111331213
52303142112121442411
633151420112553451
72053005144455311
oct221650416257547
938430655148314
1010021303312231
113214013512892
12115a242252887
1357900a85a913
142690685587b1
15125a25305721
hex91d44395f67

10021303312231 has 4 divisors (see below), whose sum is σ = 10021588278264. Its totient is φ = 10021018346200.

The previous prime is 10021303312121. The next prime is 10021303312283. The reversal of 10021303312231 is 13221330312001.

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 10021303312231 - 217 = 10021303181159 is a prime.

It is a super-2 number, since 2×100213033122312 (a number of 27 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 (10021303312291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142430260 + ... + 142500601.

It is an arithmetic number, because the mean of its divisors is an integer number (2505397069566).

Almost surely, 210021303312231 is an apocalyptic number.

10021303312231 is a deficient number, since it is larger than the sum of its proper divisors (284966033).

10021303312231 is an equidigital number, since it uses as much as digits as its factorization.

10021303312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284966032.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 10021303312231 its reverse (13221330312001), we get a palindrome (23242633624232).

The spelling of 10021303312231 in words is "ten trillion, twenty-one billion, three hundred three million, three hundred twelve thousand, two hundred thirty-one".

Divisors: 1 35171 284930861 10021303312231