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314321131 = 983319757
BaseRepresentation
bin10010101111000…
…010100011101011
3210220110011112101
4102233002203223
51120431234011
651104554231
710534454065
oct2257024353
9726404471
10314321131
11151476133
1289322977
1350173447
142da60735
151c8dc2c1
hex12bc28eb

314321131 has 4 divisors (see below), whose sum is σ = 314641872. Its totient is φ = 314000392.

The previous prime is 314321107. The next prime is 314321149. The reversal of 314321131 is 131123413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 314321131 - 29 = 314320619 is a prime.

It is a super-2 number, since 2×3143211312 = 197595546786238322, 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 = 314321099 and 314321108.

It is not an unprimeable number, because it can be changed into a prime (314301131) 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, 158896 + ... + 160861.

It is an arithmetic number, because the mean of its divisors is an integer number (78660468).

Almost surely, 2314321131 is an apocalyptic number.

314321131 is a deficient number, since it is larger than the sum of its proper divisors (320741).

314321131 is an equidigital number, since it uses as much as digits as its factorization.

314321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320740.

The product of its digits is 216, while the sum is 19.

The square root of 314321131 is about 17729.1040664778. The cubic root of 314321131 is about 679.9200677383.

Adding to 314321131 its reverse (131123413), we get a palindrome (445444544).

The spelling of 314321131 in words is "three hundred fourteen million, three hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 983 319757 314321131