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3103331421 = 31034443807
BaseRepresentation
bin1011100011111001…
…0001010001011101
322000021110120101210
42320332101101131
522323423101141
61231535055033
7136621611321
oct27076212135
98007416353
103103331421
111352827913
12727371479
133a5c234a8
14216223981
151326a5916
hexb8f9145d

3103331421 has 4 divisors (see below), whose sum is σ = 4137775232. Its totient is φ = 2068887612.

The previous prime is 3103331417. The next prime is 3103331437. The reversal of 3103331421 is 1241333013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3103331421 - 22 = 3103331417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103331471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517221901 + ... + 517221906.

It is an arithmetic number, because the mean of its divisors is an integer number (1034443808).

Almost surely, 23103331421 is an apocalyptic number.

It is an amenable number.

3103331421 is a deficient number, since it is larger than the sum of its proper divisors (1034443811).

3103331421 is a wasteful number, since it uses less digits than its factorization.

3103331421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034443810.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3103331421 is about 55707.5526387581. The cubic root of 3103331421 is about 1458.6218654032.

Adding to 3103331421 its reverse (1241333013), we get a palindrome (4344664434).

The spelling of 3103331421 in words is "three billion, one hundred three million, three hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 3 1034443807 3103331421