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31344314 = 215672157
BaseRepresentation
bin111011110010…
…0011010111010
32011222110022112
41313210122322
531011004224
63035452322
7530264561
oct167443272
964873275
1031344314
11167694a1
12a5b70a2
136655b41
14423cbd8
152b4230e
hex1de46ba

31344314 has 4 divisors (see below), whose sum is σ = 47016474. Its totient is φ = 15672156.

The previous prime is 31344307. The next prime is 31344329. The reversal of 31344314 is 41344313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41344313 = 50238231.

It can be written as a sum of positive squares in only one way, i.e., 20566225 + 10778089 = 4535^2 + 3283^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31344314.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7836077 + ... + 7836080.

Almost surely, 231344314 is an apocalyptic number.

31344314 is a deficient number, since it is larger than the sum of its proper divisors (15672160).

31344314 is a wasteful number, since it uses less digits than its factorization.

31344314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15672159.

The product of its digits is 1728, while the sum is 23.

The square root of 31344314 is about 5598.5992891079. The cubic root of 31344314 is about 315.2968194094.

Adding to 31344314 its reverse (41344313), we get a palindrome (72688627).

Subtracting 31344314 from its reverse (41344313), we obtain a palindrome (9999999).

The spelling of 31344314 in words is "thirty-one million, three hundred forty-four thousand, three hundred fourteen".

Divisors: 1 2 15672157 31344314