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3123331312213 = 74110882687499
BaseRepresentation
bin101101011100110101000…
…011011010101001010101
3102001120212022220002012101
4231130311003122221111
5402133040303442323
610350501045322101
7441440030054020
oct55346503325125
912046768802171
103123331312213
11aa4663111a92
124253a5406331
131986b4c40918
14ab25484a1b7
15563a1dd4dad
hex2d7350daa55

3123331312213 has 8 divisors (see below), whose sum is σ = 3656583000000. Its totient is φ = 2611844999520.

The previous prime is 3123331312207. The next prime is 3123331312261. The reversal of 3123331312213 is 3122131333213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3123331312213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123331313213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5441343463 + ... + 5441344036.

It is an arithmetic number, because the mean of its divisors is an integer number (457072875000).

Almost surely, 23123331312213 is an apocalyptic number.

It is an amenable number.

3123331312213 is a deficient number, since it is larger than the sum of its proper divisors (533251687787).

3123331312213 is a wasteful number, since it uses less digits than its factorization.

3123331312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10882687547.

The product of its digits is 5832, while the sum is 28.

Adding to 3123331312213 its reverse (3122131333213), we get a palindrome (6245462645426).

The spelling of 3123331312213 in words is "three trillion, one hundred twenty-three billion, three hundred thirty-one million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 7 41 287 10882687499 76178812493 446190187459 3123331312213