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3103414301221 = 132913760086629
BaseRepresentation
bin101101001010010001111…
…010000011001000100101
3101222200110021112002110121
4231022101322003020211
5401321243030114341
610333404442521541
7440133333212413
oct55122172031045
911880407462417
103103414301221
11a97172515923
124215672062b1
1319685c801a10
14aa2c55a82b3
1555ad85ad4d1
hex2d291e83225

3103414301221 has 16 divisors (see below), whose sum is σ = 3482621074800. Its totient is φ = 2745718553088.

The previous prime is 3103414301189. The next prime is 3103414301227. The reversal of 3103414301221 is 1221034143013.

It can be written as a sum of positive squares in 8 ways, for example, as 136197902500 + 2967216398721 = 369050^2 + 1722561^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103414301221 - 25 = 3103414301189 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 (3103414301227) 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, 29991666 + ... + 30094963.

It is an arithmetic number, because the mean of its divisors is an integer number (217663817175).

Almost surely, 23103414301221 is an apocalyptic number.

It is an amenable number.

3103414301221 is a deficient number, since it is larger than the sum of its proper divisors (379206773579).

3103414301221 is a wasteful number, since it uses less digits than its factorization.

3103414301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60086808.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 3103414301221 its reverse (1221034143013), we get a palindrome (4324448444234).

The spelling of 3103414301221 in words is "three trillion, one hundred three billion, four hundred fourteen million, three hundred one thousand, two hundred twenty-one".

Divisors: 1 13 29 137 377 1781 3973 51649 60086629 781126177 1742512241 8231868173 22652659133 107014286249 238724177017 3103414301221