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313102234 = 2156551117
BaseRepresentation
bin10010101010011…
…000111110011010
3210211011020112001
4102222120332122
51120123232414
651022511214
710521216334
oct2252307632
9724136461
10313102234
11150813385
1288a3550a
134cb376c3
142d824454
151c74b074
hex12a98f9a

313102234 has 4 divisors (see below), whose sum is σ = 469653354. Its totient is φ = 156551116.

The previous prime is 313102213. The next prime is 313102259. The reversal of 313102234 is 432201313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432201313 = 2631643351.

It can be written as a sum of positive squares in only one way, i.e., 216178209 + 96924025 = 14703^2 + 9845^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78275557 + ... + 78275560.

Almost surely, 2313102234 is an apocalyptic number.

313102234 is a deficient number, since it is larger than the sum of its proper divisors (156551120).

313102234 is a wasteful number, since it uses less digits than its factorization.

313102234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156551119.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 313102234 is about 17694.6950807297. The cubic root of 313102234 is about 679.0400483058.

Adding to 313102234 its reverse (432201313), we get a palindrome (745303547).

The spelling of 313102234 in words is "three hundred thirteen million, one hundred two thousand, two hundred thirty-four".

Divisors: 1 2 156551117 313102234