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31020303103301 = 52164739198197
BaseRepresentation
bin1110000110110011110100…
…01001011011010101000101
311001211111211020222200210002
413003121322021123111011
513031214040043301201
6145550310331411045
76351100012565231
oct703317211332505
9131744736880702
1031020303103301
11997a700449a66
12358bb388b3a85
131440281b28b85
147935680595c1
1538bd98bce76b
hex1c367a25b545

31020303103301 has 8 divisors (see below), whose sum is σ = 31084647870744. Its totient is φ = 30955976746240.

The previous prime is 31020303103247. The next prime is 31020303103343. The reversal of 31020303103301 is 10330130302013.

It can be written as a sum of positive squares in 4 ways, for example, as 6340570766401 + 24679732336900 = 2518049^2 + 4967870^2 .

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 31020303103301 - 234 = 31003123234117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020303103351) 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 7 ways as a sum of consecutive naturals, for example, 1226666 + ... + 7971531.

It is an arithmetic number, because the mean of its divisors is an integer number (3885580983843).

Almost surely, 231020303103301 is an apocalyptic number.

It is an amenable number.

31020303103301 is a deficient number, since it is larger than the sum of its proper divisors (64344767443).

31020303103301 is an equidigital number, since it uses as much as digits as its factorization.

31020303103301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9205191.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31020303103301 its reverse (10330130302013), we get a palindrome (41350433405314).

The spelling of 31020303103301 in words is "thirty-one trillion, twenty billion, three hundred three million, one hundred three thousand, three hundred one".

Divisors: 1 521 6473 3372433 9198197 4792260637 59539929181 31020303103301