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10220212331231 = 77320000415521
BaseRepresentation
bin1001010010111001010000…
…1000000010001011011111
31100012001011011120202021012
42110232110020002023133
52314421443324044411
633423033431325435
72103246250311560
oct224562410021337
940161134522235
1010220212331231
1132904054698a1
1211908b452087b
135919b9b362b6
142749377a8167
1512acb7ac618b
hex94b942022df

10220212331231 has 8 divisors (see below), whose sum is σ = 11840245989024. Its totient is φ = 8640179504640.

The previous prime is 10220212331227. The next prime is 10220212331239. The reversal of 10220212331231 is 13213321202201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10220212331231 - 22 = 10220212331227 is a prime.

It is a super-2 number, since 2×102202123312312 (a number of 27 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 = 10220212331197 and 10220212331206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220212331239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10000207250 + ... + 10000208271.

It is an arithmetic number, because the mean of its divisors is an integer number (1480030748628).

Almost surely, 210220212331231 is an apocalyptic number.

10220212331231 is a deficient number, since it is larger than the sum of its proper divisors (1620033657793).

10220212331231 is an equidigital number, since it uses as much as digits as its factorization.

10220212331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000415601.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 10220212331231 its reverse (13213321202201), we get a palindrome (23433533533432).

The spelling of 10220212331231 in words is "ten trillion, two hundred twenty billion, two hundred twelve million, three hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 7 73 511 20000415521 140002908647 1460030333033 10220212331231