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311411399 = 1323159441
BaseRepresentation
bin10010100011111…
…100001011000111
3210200222100010112
4102203330023013
51114210131044
650522343235
710500644645
oct2243741307
9720870115
10311411399
1114a868aa2
128835ab1b
134c694c00
142d504195
151c51509e
hex128fc2c7

311411399 has 12 divisors (see below), whose sum is σ = 348092352. Its totient is φ = 278179200.

The previous prime is 311411393. The next prime is 311411417. The reversal of 311411399 is 993114113.

It is not a de Polignac number, because 311411399 - 24 = 311411383 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 (311411393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24482 + ... + 34959.

It is an arithmetic number, because the mean of its divisors is an integer number (29007696).

Almost surely, 2311411399 is an apocalyptic number.

311411399 is a deficient number, since it is larger than the sum of its proper divisors (36680953).

311411399 is a wasteful number, since it uses less digits than its factorization.

311411399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59498 (or 59485 counting only the distinct ones).

The product of its digits is 2916, while the sum is 32.

The square root of 311411399 is about 17646.8523822239. The cubic root of 311411399 is about 677.8155093321.

The spelling of 311411399 in words is "three hundred eleven million, four hundred eleven thousand, three hundred ninety-nine".

Divisors: 1 13 31 169 403 5239 59441 772733 1842671 10045529 23954723 311411399