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3334031221 = 4093981439
BaseRepresentation
bin1100011010111001…
…0100011101110101
322121100120100000211
43012232110131311
523312002444341
61310455505421
7145422540433
oct30656243565
98540510024
103334031221
111460a79004
12790688271
13411969151
14238b17d53
15147a76181
hexc6b94775

3334031221 has 4 divisors (see below), whose sum is σ = 3334153600. Its totient is φ = 3333908844.

The previous prime is 3334031219. The next prime is 3334031231. The reversal of 3334031221 is 1221304333.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3334031221 - 21 = 3334031219 is a prime.

It is a super-2 number, since 2×33340312212 = 22231528365205501682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3334031192 and 3334031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3334031231) 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, 220 + ... + 81658.

It is an arithmetic number, because the mean of its divisors is an integer number (833538400).

Almost surely, 23334031221 is an apocalyptic number.

It is an amenable number.

3334031221 is a deficient number, since it is larger than the sum of its proper divisors (122379).

3334031221 is an equidigital number, since it uses as much as digits as its factorization.

3334031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122378.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3334031221 is about 57741.0704871325. The cubic root of 3334031221 is about 1493.9058254811.

Adding to 3334031221 its reverse (1221304333), we get a palindrome (4555335554).

The spelling of 3334031221 in words is "three billion, three hundred thirty-four million, thirty-one thousand, two hundred twenty-one".

Divisors: 1 40939 81439 3334031221