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314121131 = 417661491
BaseRepresentation
bin10010101110010…
…001101110101011
3210220002000011222
4102232101232223
51120403334011
651100412255
710532662022
oct2256215653
9726060158
10314121131
11151349945
128924708b
13501033bc
142da0b8b9
151c89cddb
hex12b91bab

314121131 has 4 divisors (see below), whose sum is σ = 321782664. Its totient is φ = 306459600.

The previous prime is 314121113. The next prime is 314121173. The reversal of 314121131 is 131121413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-314121131 is a prime.

It is a super-2 number, since 2×3141211312 = 197344169881438322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314121191) 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, 3830705 + ... + 3830786.

It is an arithmetic number, because the mean of its divisors is an integer number (80445666).

Almost surely, 2314121131 is an apocalyptic number.

314121131 is a deficient number, since it is larger than the sum of its proper divisors (7661533).

314121131 is an equidigital number, since it uses as much as digits as its factorization.

314121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7661532.

The product of its digits is 72, while the sum is 17.

The square root of 314121131 is about 17723.4627260025. The cubic root of 314121131 is about 679.7758279231.

Adding to 314121131 its reverse (131121413), we get a palindrome (445242544).

The spelling of 314121131 in words is "three hundred fourteen million, one hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 41 7661491 314121131