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3331122213 = 31110374071
BaseRepresentation
bin1100011010001100…
…1110010000100101
322121011002112121210
43012203032100211
523310231402323
61310313302033
7145356033366
oct30643162045
98534075553
103331122213
11145a371471
1278b704919
1341118b043
1423859bb6d
1514769e293
hexc68ce425

3331122213 has 4 divisors (see below), whose sum is σ = 4441496288. Its totient is φ = 2220748140.

The previous prime is 3331122187. The next prime is 3331122217. The reversal of 3331122213 is 3122211333.

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 an emirpimes, since its reverse is a distinct semiprime: 3122211333 = 31040737111.

It is not a de Polignac number, because 3331122213 - 29 = 3331121701 is a prime.

It is a super-2 number, since 2×33311222132 = 22192750395884034738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3331122213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331122217) 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, 555187033 + ... + 555187038.

It is an arithmetic number, because the mean of its divisors is an integer number (1110374072).

Almost surely, 23331122213 is an apocalyptic number.

It is an amenable number.

3331122213 is a deficient number, since it is larger than the sum of its proper divisors (1110374075).

3331122213 is a wasteful number, since it uses less digits than its factorization.

3331122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110374074.

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

The square root of 3331122213 is about 57715.8748785808. The cubic root of 3331122213 is about 1493.4712116208.

Adding to 3331122213 its reverse (3122211333), we get a palindrome (6453333546).

The spelling of 3331122213 in words is "three billion, three hundred thirty-one million, one hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 3 1110374071 3331122213