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103201321201031 = 335755930737009
BaseRepresentation
bin10111011101110001101110…
…000101110010110110000111
3111112101221122111221110022202
4113131301232011302312013
5102011322301211413111
61003254011002145115
730511022642314364
oct2735615605626607
9445357574843282
10103201321201031
112a979486401a29
12b6a91357b219b
134577ac5913c71
141b6ad8346946b
15bde783464b3b
hex5ddc6e172d87

103201321201031 has 4 divisors (see below), whose sum is σ = 103201355295600. Its totient is φ = 103201287106464.

The previous prime is 103201321201021. The next prime is 103201321201057. The reversal of 103201321201031 is 130102123102301.

It is a happy number.

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 103201321201031 - 230 = 103200247459207 is a prime.

It is a super-2 number, since 2×1032013212010312 (a number of 29 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 = 103201321200994 and 103201321201012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103201321201021) 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, 12010946 + ... + 18726063.

It is an arithmetic number, because the mean of its divisors is an integer number (25800338823900).

Almost surely, 2103201321201031 is an apocalyptic number.

103201321201031 is a deficient number, since it is larger than the sum of its proper divisors (34094569).

103201321201031 is an equidigital number, since it uses as much as digits as its factorization.

103201321201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34094568.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103201321201031 its reverse (130102123102301), we get a palindrome (233303444303332).

The spelling of 103201321201031 in words is "one hundred three trillion, two hundred one billion, three hundred twenty-one million, two hundred one thousand, thirty-one".

Divisors: 1 3357559 30737009 103201321201031